The FictionMags Index

Index: Books by Author: Page 40

Silverberg, Robert (1935- ); used pseudonyms Loren Beauchamp, Edgar Black, Lawrence L. Blaine, David Challon, Walker Chapman, Roy Cook, Allen H. Cullen, John Dexter, Walter Drummond, Jeremy Dunn, Dan Eliot, Don Elliott, Franklin Hamilton, Paul Hollander, Ivar Jorgenson, Calvin M. Knox, Marlene Longman, Dan Lynch, Ray McKenzie, Gordon Mitchell, David Osborne, Robert Randall, Lloyd Robinson, Mark Ryan, Lee Sebastian, Stan Vincent & L. T. Woodward, M.D. (about) (items) (chron.) (continued)
• * Letters from Atlantis (Macmillan Atheneum, October 1990, 0-689-31570-8, $14.95, 136pp, hc, n., cover by Robert Gould)
• * Letters from Atlantis (Warner Questar, June 1992, 0-446-36286-7, $4.99, 136pp, pb, n., cover by Stephen Youll)
• * Letters from Atlantis (Gateway, December 21, 2012, 978-0-575-10651-2, £4.99, ebook, n.)
• * Light for the World: Edison and the Power Industry (Van Nostrand, November 1967, LC:67-27989, 281pp, hc, nf)
• * Lion Time in Timbuctoo [Gate of Worlds] (Pulphouse/Axolotl, May 1990, no ISBN, $10.00, 112pp, tp, na, cover by Donna Gordon)
• * Lion Time in Timbuctoo (Voyager, March 20, 2000, 0-00-651220-8, £6.99, 390pp, tp, co)
• * A Little Intelligence (with Randall Garrett) (Crippen & Landru, February 2009, 978-1-932009-71-2, $16.00, 175pp, tp, co, cover by Carol Heyer)
• * Living in the Future (NESFA Press, June 2023, 978-1-61037-327-2, $29.00, 688pp, hc, co)
• * The Loneliest Continent --- see under Walker Chapman.
• * The Longest Voyage: Circumnavigators in the Age of Discovery (Bobbs-Merrill Company, March 1972, LC:69-13089, $10.00, 536pp, hc, nf, cover by Walter Harper)
• * The Longest Voyage: Circumnavigators in the Age of Discovery (University of Ohio Press, July 1997, 0-8214-1192-6, $39.95, 536pp, tp, nf)
• * The Longest Way Home (Gollancz, May 16, 2002, 0-575-07352-7, £10.99, 213pp, tp, n., cover by Jim Burns)
• * The Longest Way Home (Eos, July 2002, 0-380-97858-X, $25.95, 294pp, hc, n., cover by Jim Burns)
• * The Longest Way Home (Easton Press, July 2002, 9+294pp, hc, n.)
• * The Longest Way Home (SFBC, August 2002, #51995, $12.99, 294pp, hc, n., cover by Jim Burns)
• * The Longest Way Home (Eos, March 2003, 0-380-81487-0, $7.50, 367pp, pb, n., cover by Jim Burns)
• * The Longest Way Home (Gollancz, July 10, 2003, 0-575-07393-4, £6.99, 262pp, pb, n., cover by Jim Burns)
• * The Longest Way Home (Gateway, May 31, 2013, 978-0-575-10644-4, £4.99, ebook, n.)
• * The Longest Way Home (ReAnimus Press, May 7, 2019, 978-1-0973-4162-7, $14.99, 290pp, tp, n.)
• * The Long Rampart: The Story of the Great Wall of China (Chilton Books, February 1966, LC:66-12666, 171pp, hc, nf)
• * Lord of Darkness (Arbor House, April 1983, 0-87795-443-7, $16.50, 559pp, hc, n., cover by Paul Bacon)
• * Lord of Darkness (Gollancz, February 1984, 0-575-03347-9, £9.95, 559pp, hc, n., cover by Lesley Craig)
• * Lord of Darkness (Bantam, September 1984, 0-553-24362-4, $3.95, 613pp, pb, n., cover by Sanjulian)
• * Lord of Darkness (NonStop Press, January 31, 2013, 978-1-933065-43-4, $17.95, 444pp, tp, n.)
• * Lord Prestimion [Majipoor] (Voyager, February 1, 1999, 0-00-224678-3, £16.99, 434pp, hc, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (HarperPrism, August 1999, 0-06-105028-8, $25.00, 416pp, hc, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (SFBC, September 1999, #01942, $11.98, 416pp, hc, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (Voyager, September 20, 1999, 0-00-651103-1, £6.99, 434pp, pb, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (Eos, June 2000, 0-06-105810-6, $6.99, 497pp, pb, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (Gateway, September 29, 2011, 978-0-575-10658-1, £4.99, ebook, n.)
• * Lord Valentine’s Castle [Majipoor] (Harper & Row, April 1980, 0-06-014026-7, $12.50, vii+444pp, hc, n., cover by Ron Walotsky)
• * Lord Valentine’s Castle [Majipoor] (SFBC, June 1980, #3887, $4.50, 466pp, hc, n., cover by Ron Walotsky)
• * Lord Valentine’s Castle [Majipoor] (Gollancz, August 1980, 978-0-575-02792-3, £6.95, 444pp, hc, n., cover by Nick Bantock)
• * Lord Valentine’s Castle [Majipoor] (Bantam, July 1981, 978-0-553-14428-4, $2.95, 447pp, pb, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Pan, October 1981, 0-330-26462-1, £1.95, 506pp, pb, n., cover by Josh Kirby)
• * Lord Valentine’s Castle [Majipoor] (HarperPrism, July 1995, 0-06-105487-9, $5.99, 506pp, pb, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Easton Press, 1997, 444pp, hc, n.)
• * Lord Valentine’s Castle (Voyager, September 20, 1999, 0-00-648377-1, £6.99, 506pp, pb, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Gateway, September 29, 2011, 978-0-575-10653-6, £4.99, ebook, n.)
• * Lord Valentine’s Castle (Penguin/Roc, May 2012, 978-0-451-46461-3, $16.00, 466pp, tp, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Gollancz, February 6, 2020, 978-1-4732-2922-8, £10.99, xii+466pp, tp, n.)
• * Lord Valentine’s Castle [Majipoor] (Open Road Integrated Media, September 19, 2023, 978-1-5040-8715-5, $21.99, 200pp, tp, n.)
• * Lost Cities and Vanished Civilizations (Chilton Book Company, April 1962, LC:62-8846, $3.95, ix+177pp, hc, nf, cover by Leon Leiderman)
• * Lost Cities and Vanished Civilizations (Bantam Pathfinder, August 1963, 50¢, viii+152pp, pb, nf)
• * Lost Race of Mars (John C. Winston, March 1960, $2.95, 118pp, hc, n., cover by Leonard Kessler)
• * Lost Race of Mars (Scholastic, March 1964, TX535, 35¢, 124pp, tp, n., cover by Leonard Kessler)
• * Lost Race of Mars (Gateway, September 29, 2011, 978-0-575-10596-6, £2.99, ebook, n.)
• * Love Addict --- see under Don Elliott.
• * Love Nest --- see under Loren Beauchamp.
• * Lust Bums --- see under Don Elliott.
• * Lust Captive --- see under Don Elliott.
• * Lust Cat --- see under Don Elliott.
• * Lust Crew --- see under Don Elliott.
• * Lust Cult --- see under Don Elliott.
• * Lust Demon --- see under Don Elliott.
• * Lust Doomed --- see under Don Elliott.
• * Lust Finale --- see under Don Elliott.
• * Lust for Two --- see under Don Elliott.
• * Lust Goddess --- see under Don Elliott.
• * Lust League --- see under Don Elliott.
• * Lust Lord --- see under Don Elliott.
• * Lust Lover --- see under Dan Eliot.
• * Lust Market --- see under Don Elliott.
• * The Lust Plotters --- see under John Dexter.
• * Lust Queen --- see under Don Elliott.
• * Lust Queen/Lust Victim --- see under Don Elliott.
• * Lust Seekers --- see under Don Elliott.
• * Lust Set --- see under Don Elliott.
• * Lust Spree --- see under Don Elliott.
• * Majipoor Chronicles [Majipoor] (Arbor House, February 1982, 0-87795-358-9, $12.95, 314pp, hc, co, cover by Loretta Trezzo)
• * Majipoor Chronicles [Majipoor] (Priam Books, February 1982, 978-0-87795-359-3, $5.95, 314pp, tp, co, cover by Loretta Trezzo)
• * Majipoor Chronicles [Majipoor] (SFBC, August 1982, #6475, $4.98, 277pp, hc, co, cover by Loretta Trezzo)
• * Majipoor Chronicles [Majipoor] (Gollancz, September 1982, 978-0-575-03153-1, £8.95, 314pp, hc, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Bantam, February 1983, 0-553-22928-1, $3.50, 281pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Pan, October 1983, 0-330-28117-8, £1.95, 317pp, pb, co, cover by Josh Kirby)
• * Majipoor Chronicles [Majipoor] (HarperPrism, July 1996, 0-06-105485-2, $5.99, 385pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Voyager, May 2, 2000, 0-00-648379-8, £5.99, 385pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Eos, July 2000, 978-0-06-105485-3, $6.99, 385pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Gateway, September 29, 2011, 978-0-575-10654-3, £4.99, ebook, co)
• * Majipoor Chronicles [Majipoor] (Penguin/Roc, September 2012, 978-0-451-46483-5, $16.00, 304pp, tp, co, cover by Larry Rostant)
• * Majipoor Chronicles [Majipoor] (Open Road Integrated Media, September 19, 2023, 978-1-5040-8716-2, $21.99, 200pp, tp, co)
• * Mammoths, Mastodons and Man (McGraw-Hill, April 1970, 0-07-057372-7, 233pp, hc, nf)
• * Mammoths, Mastodons and Man (World’s Work, 1972, £1.75, 223pp, hc, nf)
• * Mammoths, Mastodons and Man (Puffin, April 1976, 0-14-030847-4, 50p, 189pp, pb, nf, cover by Peter Gregory)
• * Man Before Adam: The Story of Man in Search of His Origins (Macrae Smith Company, May 1964, LC:64-1487143, $4.50, 253pp, hc, nf, cover by Clifford Schule)
• * The Man Collector --- see under Don Elliott.
• * The Man in the Maze (Avon, February 1969, V2262, 75¢, 192pp, pb, n., cover by Don Punchatz)
• * The Man in the Maze (Sidgwick & Jackson, October 1969, 0-283-98075-3, 24/-, 192pp, hc, n.)
• * The Man in the Maze (Tandem, January 1971, 4260-5100-9, 5/-, 192pp, pb, n.)
• * The Man in the Maze (Equinox, January 1975, 0-380-00198-5, $1.95, 192pp, tp, n., cover by Michael Presley)
• * The Man in the Maze (Star, 1982, 0-352-31089-8, £1.50, 192pp, pb, n., cover by Bruce Pennington)
• * The Man in the Maze (Gollancz, December 13, 1990, 0-575-04689-9, £3.50, 192pp, pb, n., cover by The Image Bank)
• * The Man in the Maze (ibooks, November 2002, 0-7434-5274-7, $12.00, viii+214pp, tp, n., cover by Michael Whelan)
• * The Man in the Maze (ibooks, January 2005, 0-7434-9777-5, $6.99, 214pp, pb, n., cover by Michael Whelan)
• * The Man in the Maze (Gateway, September 29, 2011, 978-0-575-10611-6, £4.99, ebook, n.)
• * The Man in the Maze (Open Road, July 2015, 978-1-5040-1431-1, $13.99, 266pp, tp, n.)
• * Man Mad --- see under David Challon.
• * The Man Who Found Nineveh: The Story of Austen Henry Layard (Holt, Rinehart & Winston, October 1964, LC:64-18257, $3.59, viii+207pp, hc, nf, cover by Esta Nesbitt)
• * The Man Who Found Nineveh: The Story of Austen Henry Layard (World’s Work, October 1968, 437-74640-2, 224pp, hc, nf, cover by Esta Nesbitt)
• * The Mask of Akhnaten (Macmillan, March 1965, LC:65-13586, $3.50, 182pp, hc, n., cover by H. Lawrence Hoffman)
• * The Masks of Time (Ballantine, May 1968, U6121, 75¢, 252pp, pb, n., cover by Robert Foster)
• * The Masks of Time (Berkley Books, November 1978, 0-425-03871-8, $1.95, x+227pp, pb, n., cover by Paul Alexander)
• * The Masks of Time (Star, 1982, 0-352-31091-X, £1.50, 252pp, pb, n., cover by Bruce Pennington)
• * The Masks of Time (Bantam, July 1983, 0-553-23494-3, $2.95, 226pp, pb, n., cover by Jim Burns)
• * The Masks of Time (VGSF, May 1987, 0-575-03990-6, £2.95, 252pp, pb, n., cover by Jim Burns)
• * The Masks of Time (Gollancz, September 5, 2002, 0-575-07218-0, £9.99, 252pp, tp, n., cover by Jim Burns)
• * The Masks of Time (Gateway, September 29, 2011, 978-0-575-10613-0, £4.99, ebook, n.)
• * The Masks of Time (Phoenix Pick, September 2012, 978-1-61242-107-0, $9.99, 201pp, tp, n.)
• * The Masks of Time/Born with the Dead/Dying Inside (Bantam Spectra, April 1988, 0-553-27286-1, $4.95, 561pp, pb, om, cover by Gary Ruddell)
• * Masochism --- see under L. T. Woodward, M.D..
• * Master of Life and Death (Ace Double, August 1957, D-237, 35¢, 163pp, pb, n., cover by Ed Emshwiller)
• * Master of Life and Death (Avon Books, March 1968, S329, 60¢, 144pp, pb, n., cover by Hector Garrido)
• * Master of Life and Death (Sidgwick & Jackson, March 1977, 0-283-98370-1, £3.50, 144pp, hc, n., cover by David A. Hardy)
• * Master of Life and Death (Panther, February 1979, 0-586-04563-5, 75p, 143pp, pb, n., cover by Tony Roberts)
• * Master of Life and Death (Tor, May 1986, 0-812-55458-2, $2.95, 219pp, pb, n.)
• * Master of Life and Death (FoxAcre Press, August 2001, 978-0-9671783-9-4, 149pp, tp, n.)
• * Master of Life and Death (Gateway, September 29, 2011, 978-0-575-10587-4, £2.99, ebook, n.)
• * Masters of Science Fiction, Volume 11: Robert Silverberg: The Ace Years, Part One (Armchair Fiction, October 2, 2017, 978-1-61287-391-6, $16.95, 376pp, tp, co)
• * Masters of Science Fiction, Volume 12: Robert Silverberg: The Ace Years, Part Two (Armchair Fiction, October 2, 2017, 978-1-61287-392-3, $16.95, 376pp, tp, co)
• * Masters of Science Fiction, Volume 13: Robert Silverberg: The Ace Years, Part Three (Armchair Fiction, June 10, 2018, 978-1-61287-420-3, $16.95, 392pp, tp, co)
• * Meg --- see under Loren Beauchamp.
• * Men Against Time: Salvage Archaeology in the United States (Macmillan, October 1967, LC:67-21254, $4.50, 202pp, hc, nf)
• * Men Who Mastered the Atom (G.P. Putnam’s Sons, April 1965, LC:65-13311, $3.29, 193pp, hc, nf, cover by Ayres Houghtelling)
• * The Millenium Express (Gateway, November 27, 2014, 978-0-575-10672-7, £4.99, ebook, co)
• * The Millennium Express: 1995-2009 (Subterranean Press, August 2014, 978-1-59606-668-7, $35.00, 482pp, hc, co)
• * The Millennium Express: 1995-2009 (Subterranean Press, June 3, 2015, 978-1-59606-765-3, $18.95, 481pp, hc, co, cover by Tomasz Maronski)
• * Mistress of Sin --- see under Don Elliott.
• * Moonferns and Starsongs (Ballantine, June 1971, 0-345-02278-5, 95¢, 244pp, pb, co, cover by Gene Szafran)
• * The Morning of Mankind: Prehistoric Man in Europe (New York Graphic Society, March 1967, LC:67-1104, $4.95, 240pp, hc, nf, cover by Wladislaw Finne)
• * The Morning of Mankind: Prehistoric Man in Europe (World’s Work, 1970, 236pp, hc, nf)
• * The Mound Builders (New York Graphic Society, April 1970, 0-8212-0342-8, $5.95, 276pp, hc, nf)
• * The Mound Builders (Ballantine, May 1974, 345-23980-6, $1.50, 184pp, pb, nf, cover by John J. Egas)
• * Mound Builders of Ancient America: The Archaeology of a Myth (New York Graphic Society, April 1968, LC:68-12370, $8.95, 369pp, hc, nf)
• * The Mountains of Majipoor [Majipoor] (Bantam Spectra, March 1995, 0-553-09614-1, $19.95, 225pp, hc, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (Macmillan UK, March 10, 1995, 0-333-63319-9, £12.99, 165pp, hc, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (SFBC, April 1995, #06859, $7.98, 132pp, hc, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (Easton Press, May 1995, 106-086, 225pp, hc, n.)
• * The Mountains of Majipoor (Pan, August 11, 1995, 0-330-33519-7, £4.99, 231pp, pb, n., cover by Jim Burns)
• * The Mountains of Majipoor (Bantam Spectra, February 1996, 0-553-57327-6, $5.99, 225pp, pb, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (Gateway, September 29, 2011, 978-0-575-10656-7, £4.99, ebook, n.)
• * Multiples (Gateway, December 7, 2012, 978-0-575-10669-7, £4.99, ebook, co)
• * Multiples: 1983-87 (Subterranean Press, September 2011, 978-1-59606-402-7, $35.00, 426pp, hc, co)
• * Multiples: 1983-87 (Subterranean Press, June 6, 2013, 978-1-59606-625-0, $18.95, 432pp, tp, co)
• * Musings and Meditations (NonStop Press, January 2011, 978-1-933065-20-5, $18.95, 344pp, tp, co)
• * Musings and Meditations (Gateway, May 29, 2014, 978-0-575-10675-8, £4.99, ebook, co)
• * The Mutant Season [A Fire in Winter] (with Karen Haber) (Doubleday Foundation, November 1989, 0-385-26647-2, $8.95, xi+289pp, hc, n., cover by Dean Motter)
• * The Mutant Season [A Fire in Winter] (with Karen Haber) (Phoenix Pick, July 2013, 978-1-61242-146-9, $9.99, 263pp, tp, n.)
• * Naked Holiday --- see under Don Elliott.
• * Naked She Died --- see under Don Elliott.
• * Needle in a Timestack (Ballantine, November 1966, U2330, 50¢, 190pp, pb, co, cover by Richard Powers)
• * Needle in a Timestack (Sphere, 1967, 78417, 5/-, 190pp, pb, co, cover by David Davies)
• * Needle in a Timestack and Other Stories (Open Road Integrated Media, August 20, 2019, 978-1-5040-5866-7, $9.99, ebook, co)
• * Needle in a Timestack (var. 1) (Sphere, 1979, 0-7221-7823-9, 85p, 149pp, pb, co, cover by Peter Elson)
• * Needle in a Timestack (var. 1) (Ace, November 1985, 0-441-56872-6, $2.95, 180pp, pb, co, cover by Don Dixon)
• * Needle in a Timestack (var. 2) (Gollancz, June 10, 2021, 978-1-4732-2920-4, £10.99, ix+579pp, tp, co, cover by Shutterstock)
• * The New Springtime [New Springtime] (Warner, April 1990, 0-446-51442-X, $19.95, 358pp, hc, n., cover by Michael Whelan)
• * The New Springtime [New Springtime] (SFBC, June 1990, #17185, $8.98, 358pp, hc, n., cover by Michael Whelan)
• * The New Springtime [New Springtime] (Warner, May 1991, 0-446-36172-0, $4.95, 472pp, pb, n., cover by Michael Whelan)
• * Next Stop the Stars (Ace Double, June 1962, F-145, 40¢, 114pp, pb, co, cover by Ed Emshwiller)
• * Next Stop the Stars (Ace, February 1977, $1.50, xvi+144pp, pb, co, cover by Don Punchatz)
• * Next Stop the Stars (Dennis Dobson, April 1979, 0-234-72143-X, £4.25, xii+144pp, hc, co, cover by Richard Weaver)
• * Next Stop the Stars (Tor, January 1986, 0-812-55462-0, $2.95, 213pp, pb, co, cover by Tom Kidd)
• * Niels Bohr: The Man Who Mapped the Atom (Macrae Smith, May 1965, LC:65-16330, $3.25, 194pp, hc, nf, cover by Herb Collins)
• * Nightfall (with Isaac Asimov) --- see under Isaac Asimov.
• * Nightwings [Watcher] (Tor Double, December 1989, 0-812-50194-2, $3.50, 81pp, pb, na, cover by Mark J. Ferrari)
• * Nightwings [Watcher] (Avon, September 1969, V2303, 75¢, 190pp, pb, n., cover by Don Ivan Punchatz)
• * Nightwings [Watcher] (Walker & Co., 1970, 0-8027-5512-7, $4.95, 190pp, hc, n., cover by Jack Gaughan)
• * Nightwings [Watcher] (Sidgwick & Jackson, 1972, 0-283-97840-6, £1.60, 190pp, hc, n., cover by Chris Gilbert)
• * Nightwings [Watcher] (Sphere Books, July 1974, 0-7221-7834-4, 40p, 192pp, pb, n., cover by Dave Pether)
• * Nightwings [Watcher] (Equinox, March 1976, 0-380-00571-9, $2.25, 190pp, tp, n., cover by Gene Szafran)
• * Nightwings [Watcher] (Futura, July 1987, 0-7088-8235-8, £2.50, 192pp, pb, n., cover by Michael Posen)
• * Nightwings [Watcher] (ibooks, December 2001, 0-7434-4474-4, $12.00, 218pp, tp, n., cover by Scott Grimando)
• * Nightwings [Watcher] (ibooks, July 2003, 0-7434-7446-5, $6.99, 218pp, pb, n., cover by Scott Grimando)
• * Nightwings [Watcher] (IDW Publishing, August 2008, 978-1-60010-200-4, $14.99, 220pp, tp, n., cover by Michael Parkes)
• * Nightwings [Watcher] (Gateway, September 29, 2011, 978-0-575-10617-8, £4.99, ebook, n.)
• * Nightwings [Watcher] (Open Road Integrated Media, May 14, 2013, 978-1-4804-1809-7, $15.99, 270pp, tp, n., cover by Kelly Parr)
• * Nightwings/A Time of Changes/Lord Valentine’s Castle (Gollancz, August 22, 2013, 978-0-575-12903-0, £18.99, xiv+734pp, tp, om)
• * 90% of What You Know About Sex Is Wrong --- see under L. T. Woodward, M.D..
• * The Nite Lusters --- see under Don Elliott.
• * No Lust Tonight --- see under Don Elliott.
• * None but the Wicked --- see under Don Elliott.
• * No Pleasure So Painful --- see under Don Elliott.
• * Nowhere Girl --- see under Don Elliott.
• * Nudie Packet --- see under Don Elliott.
• * Nurse Carolyn --- see under Loren Beauchamp.
• * Nympho --- see under Dan Eliot.
• * Of Shame Reborn --- see under Don Elliott.
• * The Old Ones: Indians of the American Southwest (New York Graphic Society, March 1965, LC:65-13542, $4.95, 269pp, hc, nf, cover by Raymond Cruz)
• * One Bed Too Many --- see under Jeremy Dunn.
• * One-Night Stand --- see under Don Elliott.
• * One of Our Asteroids Is Missing --- see under Calvin M. Knox.
• * 1001 Answers to Vital Sex Questions --- see under L. T. Woodward, M.D..
• * Only the Depraved --- see under Don Elliott.
• * The Orgy Boys --- see under Don Elliott.
• * Orgy Isle --- see under Don Elliott.
• * Orgy Maid --- see under Don Elliott.
• * Orgy on Wheels --- see under Don Elliott.
• * Orgy Slaves --- see under Don Elliott.
• * Other Dimensions (SFBC, September 2003, #57609, $14.99, 736pp, hc, om, cover by Bruce Jensen)
• * Other Spaces, Other Times: A Life Spent in the Future (NonStop Press, May 2009, 978-1-933065-12-0, $29.95, 199pp, hc, nf)
• * Other Spaces, Other Times: A Life Spent in the Future (Gateway, May 29, 2014, 978-0-575-10677-2, £4.99, ebook, nf)
• * The Pain Lusters --- see under Don Elliott.
• * The Palace at Midnight: 1980-82 (Subterranean Press, October 2010, 978-1-59606-321-1, $35.00, 478pp, hc, co)
• * The Palace at Midnight: 1980-82 (Subterranean Press, April 25, 2013, 978-1-59606-604-5, $18.95, 480pp, tp, co)
• * Parsecs and Parables (Doubleday, February 27, 1970, $4.95, 203pp, hc, co, cover by Tim Lewis)
• * Parsecs and Parables (Robert Hale, October 1973, 0-7091-3889-X, £1.60, 203pp, hc, co)
• * Party Girl --- see under Don Elliott.
• * The Passion Barons --- see under Don Elliott.
• * Passion Bum --- see under John Dexter.
• * Passion Killer --- see under Don Elliott.
• * Passion Pair --- see under Don Elliott.
• * Passion Partners --- see under Don Elliott.
• * Passion Patsy --- see under Don Elliott.
• * Passion Peeper --- see under Don Elliott.
• * Passion Pusher --- see under Don Elliott.
• * Passion Thieves --- see under Don Elliott.
• * Passion Trap --- see under Don Elliott.
• * Passion Trio --- see under Don Elliott.
• * Phases of the Moon (Gateway, February 27, 2015, 978-0-575-10661-1, £4.99, ebook, co)
• * Phases of the Moon: Six Decades of Masterpieces by the SFWA Grand Master (ibooks, October 2004, 0-7434-9801-1, $15.95, 623pp, tp, co, cover by Michael Whelan)
• * Phases of the Moon: Stories from Six Decades (Subterranean Press, August 2004, 1-931081-99-9, $40.00, 625pp, hc, co, cover by Jim Burns)
• * Philosopher of Evil --- see under Walter Drummond.
• * Pickup --- see under Don Elliott.
• * The Planet Killers (Ace Double, December 1959, D-407, 35¢, 131pp, pb, n.)
• * The Planet Killers (Gateway, September 29, 2011, 978-0-575-10594-2, £2.99, ebook, n.)
• * The Planet Killers (Paizo/Planet Stories, August 2011, 978-1-60125-336-1, $15.99, 283pp, tp, om, cover by Kieran Yanner)
• * Planet of Death (Holt, Rinehart & Winston, January 1967, 97909-1217, $2.75, 125pp, hc, n., cover by Lawrence Ratzkin)
• * Planet of Death (Wildside Press, November 23, 2010, 978-1-4344-1620-9, $14.95, 71pp, tp, n., cover by Luca Oleastri)
• * Planet of Death (Gateway, September 29, 2011, 978-0-575-10605-5, £2.99, ebook, n.)
• * The Plot Against Earth --- see under Calvin M. Knox.
• * The Plot Against Earth (Gateway, July 16, 2012, 978-0-575-10648-2, £4.99, ebook, n.)
• * Pluto in the Morning Light (Grafton, May 21, 1992, 0-586-21369-4, £6.99, 396pp, tp, co, cover by John Howe)
• * The Positronic Man (with Isaac Asimov) --- see under Isaac Asimov.
• * Project Pendulum (Walker US, September 1987, 0-8027-6712-5, $15.95, 200pp, hc, n., cover by Moebius)
• * Project Pendulum (Hutchinson, February 2, 1989, 0-09-173757-5, £6.95, 139pp, hc, n., cover by Peter Elson)
• * Project Pendulum (Bantam Spectra, November 1989, 0-553-28001-5, $3.95, 210pp, pb, n., cover by Mark Harrison)
• * Project Pendulum (Beaver, February 1, 1990, 0-09-962460-5, £2.99, 139pp, pb, n., cover by Pete Lyon)
• * Project Pendulum (Gateway, September 29, 2011, 978-0-575-10652-9, £2.99, ebook, n.)
• * The Pueblo Revolt (Weybright & Talley, October 1970, LC:77-128092, viii+216pp, hc, nf)
• * The Pueblo Revolt (Bison Books, 1994, 0-8032-9227-9, $8.95, viii+216pp, tp, nf, cover: [photo] by Dick Ruddy)
• * The Queen of Springtime [New Springtime] (Gollancz, November 16, 1989, 0-575-04586-8, £13.95, 415pp, hc, n., cover by Nicholas Rodgers)
• * The Queen of Springtime [New Springtime] (Legend, March 7, 1991, 0-09-980430-1, £5.99, 519pp, pb, n., cover by Kevin Tweddell)
• * The Queen of Springtime [New Springtime] (Bison Books, October 2005, 0-8032-9331-3, $18.95, x+368pp, tp, n., cover by R. W. Boeche)
• * The Queen of Springtime (Open Road Integrated Media, October 8, 2013, 978-1-4804-4851-3, $22.99, 570pp, tp, n.)
• * The Reality Trip and Other Implausibilities (Ballantine, March 1972, 0-345-02548-2, 95¢, 210pp, pb, co, cover by Chris Foss)
• * The Realm of Prester John (Doubleday, January 1972, LC:78-171271, $8.95, 344pp, hc, nf, cover by Wendell Minor)
• * The Realm of Prester John (Ohio University Press, April 1996, 978-0-8214-1138-4, 344pp, tp, nf, cover by Laury A. Egan)
• * The Realm of Prester John (Phoenix Press, November 2001, 1-84212-409-9, £12.99, iv+348pp, tp, nf)
• * Recalled to Life (Lancer, 1962, 74-810, 75¢, 144pp, pb, n., cover by Ed Emshwiller)
• * Recalled to Life (Doubleday, August 1972, 0-385-08279-7, $4.95, 184pp, hc, n., cover by Emanuel Schongut)
• * Recalled to Life (Gollancz, January 1974, 978-0-575-01764-1, £2.50, 184pp, hc, n.)
• * Recalled to Life (Panther, July 1975, 978-0-586-04193-2, 50p, 188pp, pb, n., cover by Chris Foss)
• * Recalled to Life (Ace, February 1977, 978-0-441-71085-0, $1.75, xiii+238pp, pb, n., cover by Don Punchatz)
• * Recalled to Life (Gateway, September 29, 2011, 978-0-575-10598-0, £2.99, ebook, n.)
• * Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (Underwood Books, April 1997, 1-887424-22-9, $19.95, 425pp, tp, co, cover by Nora Wertz)
• * Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (Gateway, November 2013, 978-0-575-10674-1, £2.99, ebook, co)
• * Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (var. 1) (NonStop Press, September 2016, 978-1-933065-51-9, $24.00, 455pp, tp, co, cover by Luis Ortiz)
• * Regan’s Planet [World’s Fair] (Pyramid, March 1964, F986, 40¢, 141pp, pb, n., cover by Ed Emshwiller)
• * Regan’s Planet [World’s Fair] (Gateway, September 29, 2011, 978-0-575-10602-4, £2.99, ebook, n.)
• * Registered Nympho --- see under Don Elliott.
• * Revolt on Alpha C (Thomas Y. Crowell, August 1955, $2.00, 148pp, hc, n.)
• * Revolt on Alpha C (TAB Books, March 1959, TX137, 25¢, 118pp, tp, n., cover by William Meyerriecks)
• * Revolt on Alpha C (Warner, April 1989, no ISBN, 86pp, pb, n., cover by Bob Layzell)
• * Revolt on Alpha C (Gateway, September 29, 2011, 978-0-575-10585-0, £2.99, ebook, n.)
• * Ringing the Changes (Voyager, July 21, 1997, 0-586-21373-2, £6.99, 359pp, tp, co, cover by Fred Gambino)
• * Rivers: A Book to Begin On --- see under Lee Sebastian.
• * Rivers in Harness --- see under Allen H. Cullen.
• * Roadhouse Girl --- see under Don Elliott.
• * The Road to Nightfall (Voyager, July 8, 1996, 0-586-21372-4, £6.99, 347pp, tp, co)
• * A Robert Silverberg Omnibus (Sidgwick & Jackson, April 1970, 0-283-98080-X, 35/-, 144+142+182pp, hc, om)
• * A Robert Silverberg Omnibus (var. 1) (Harper & Row, March 1981, 0-06-014047-X, $14.95, x+544pp, hc, om, cover by Ron Walotsky)
• * A Robert Silverberg Omnibus (var. 1) (SFBC, September 1981, #5726, $9.98, x+497pp, hc, om, cover by Ron Walotsky)
• * Robert Silverberg’s Monsters and Things (Drugstore Indian Press, May 2023, 978-1-78636-899-7, £15.99, xxiv+501pp, tp, co, cover from Monster Parade November 1958)
• * Robert Silverberg’s Monsters and Things (PS Publishing, May 2023, 978-1-78636-898-0, £50.00, xxiv+501pp, hc, co)
• * Robert Silverberg’s Super-Science Fiction (Fiction House Press, April 2017, 978-1-987071-85-6, $12.95, 210pp, tp, co)
• * Rogue of the Riviera --- see under Don Elliott.
• * Roma Eterna [Roma Eterna] (Eos, June 2003, 0-380-97859-8, $25.95, 396pp, hc, n., cover by Chris Moore)
• * Roma Eterna (Gollancz, August 28, 2003, 0-575-07354-3, £10.99, 384pp, tp, n., cover by Emma Wallace)
• * Roma Eterna (Eos, May 2004, 0-380-81488-9, $7.99, 449pp, pb, n., cover by Chris Moore)
• * Roma Eterna (Gollancz, July 22, 2004, 0-575-07556-2, £6.99, 385pp, pb, n., cover by Chris Moore)
• * Roma Eterna (Gateway, September 30, 2013, 978-0-575-10646-8, £4.99, ebook, n.)
• * Roma Eterna (Blackstone Publishing, February 11, 2025, 979-8-212-87779-4, $18.99, 400pp, tp, n.)
• * Rough Trade (PS Publishing, November 1, 2017, 978-1-786362-03-2, £25.00, xix+415pp, hc, co, cover by Denis McLoughlin)
• * Rough Trade (PS Publishing, September 2022, 978-1-78636-863-8, £15.99, xix+415pp, tp, co, cover by Denis McLoughlin)
• * Round the Clock at Volari’s (with W. R. Burnett) --- see under W. R. Burnett.
• * Sadism --- see under L. T. Woodward, M.D..
• * Sailing to Byzantium (Underwood-Miller, June 1985, 0-88733-008-8, $12.95, 114pp, tp, na)
• * Sailing to Byzantium (Tor, July 1989, 0-812-50079-2, $3.50, 99pp, pb, na, cover by Brian Waugh)
• * Sailing to Byzantium (ibooks, September 2000, 0-7434-0718-0, $14.00, 419pp, tp, co, cover: Expectations by Lawrence Alma-Tadema from 1885)
• * Sailing to Byzantium: Six Novellas (var. 1) (Open Road Integrated Media, May 14, 2013, 978-1-4804-1817-2, $22.99, 560pp, tp, co)
• * Sam Houston --- see under Paul Hollander.
• * Savage Love --- see under Mark Ryan.
• * Scientists and Scoundrels: A Book of Hoaxes (Thomas Y. Crowell, March 1965, LC:65-11649, $3.95, x+251pp, hc, nf, cover by Jerome Snyder)
• * The Search for El Dorado --- see under Walker Chapman.
• * The Second Trip (SFBC, October 1972, #5366, $1.49, 185pp, hc, n., cover by Gene Szafran)
• * The Second Trip (Signet, March 1973, Q5402, 95¢, 192pp, pb, n.)
• * The Second Trip (Gollancz, November 1979, 0-575-02666-9, £4.95, 185pp, hc, n.)
• * The Second Trip (Pan, December 1980, 0-330-26227-0, £1.50, 189pp, pb, n., cover by Peter Gudynas)
• * The Second Trip (Avon, July 1981, 0-380-54874-7, $2.25, 192pp, pb, n.)
• * The Second Trip (VGSF, April 25, 1991, 0-575-04037-8, £3.99, 185pp, pb, n.)
• * The Second Trip (Gateway, September 29, 2011, 978-0-575-10623-9, £4.99, ebook, n.)
• * The Secret Sharer (Underwood-Miller, March 1988, 0-88733-057-6, $14.95, 107pp, hc, na)
• * The Secret Sharer (Subterranean Press, February 2024, 978-1-64524-145-4, $60.00, 159pp, hc, na, cover by Tom Canty)
• * The Secret Sharer (Grafton, May 24, 1993, 0-586-21370-8, £5.99, 395pp, tp, co, cover by John Howe)
• * Secret Sharers (Bantam Spectra, November 1992, 0-553-37068-5, $12.50, 546pp, tp, co)
• * The Seed of Earth (Ace Double, June 1962, F-145, 40¢, 139pp, pb, n.)
• * The Seed of Earth (Ace, February 1977, 75875, $1.50, xv+174pp, pb, n., cover by Don Ivan Punchatz)
• * The Seed of Earth (Hamlyn, May 1978, 0-600-38314-8, 80p, 167pp, pb, n., cover by Tony Roberts)
• * The Seed of Earth (Gateway, September 29, 2011, 978-0-575-10597-3, £2.99, ebook, n.)
• * The Seven Wonders of the Ancient World (Crowell-Collier, April 1970, LC:70-95298, 120pp, hc, nf)
• * Sex and Hypnosis --- see under L. T. Woodward, M.D..
• * Sex and the Armed Services --- see under L. T. Woodward, M.D..
• * Sex and the Divorced Woman --- see under L. T. Woodward, M.D..
• * Sex Bait --- see under Don Elliott.
• * Sex Bum --- see under Don Elliott.
• * Sex Fiend --- see under L. T. Woodward, M.D..
• * Sex Fury --- see under Don Elliott.
• * Sex in Our Schools --- see under L. T. Woodward, M.D..
• * Sex Jungle --- see under Don Elliott.
• * Sexteen --- see under Don Elliott.
• * Sex Thieves --- see under John Dexter.
• * Shadrach in the Furnace (Bobbs-Merrill Co., September 1976, 0-672-51993-3, $8.95, 245pp, hc, n., cover by Fred Samperi)
• * Shadrach in the Furnace (Gollancz, February 1977, 0-575-02191-8, £3.80, 245pp, hc, n.)
• * Shadrach in the Furnace (SFBC, March 1977, #1381, $2.98, 247pp, hc, n., cover by Fred Samperi)
• * Shadrach in the Furnace (UKSFBC, September 1977, #1129, 245pp, hc, n.)
• * Shadrach in the Furnace (Pocket Books, February 1978, 0-671-81273-4, $1.75, 252pp, pb, n.)
• * Shadrach in the Furnace (Coronet, February 1979, 0-340-23235-8, 85p, 245pp, pb, n.)
• * Shadrach in the Furnace (Baen, July 1985, 0-671-55956-7, $2.95, 286pp, pb, n.)
• * Shadrach in the Furnace (ibooks, January 2004, 0-7434-5847-8, $11.95, 247pp, tp, n.)
• * Shadrach in the Furnace (Bison Books, November 2008, 978-0-8032-1631-0, $16.95, 245pp, tp, n., cover by Leon Bonaventura)
• * Shadrach in the Furnace (Gateway, September 29, 2011, 978-0-575-10630-7, £1.99, ebook, n.)
• * Shame House --- see under Don Elliott.
• * Shameless --- see under Don Elliott.
• * The Shame Protector --- see under Don Elliott.
• * Shame Scheme --- see under Don Elliott.
• * The Shores of Tomorrow (Thomas Nelson US, November 22, 1976, 0-8407-6525-8, $6.95, 191pp, hc, co, cover by James E. Barry)
• * The Shrouded Planet [Nidor] (with Randall Garrett) --- see under Robert Randall.
• * The Silent Invaders (Ace Double, April 1963, F-195, 40¢, 117pp, pb, n., cover by Ed Emshwiller)
• * The Silent Invaders (Ace, August 1973, 76390, 95¢, 152pp, pb, n., cover by Thomas Upshur)
• * The Silent Invaders (Dennis Dobson, December 1975, 0-234-77002-3, £2.95, 152pp, hc, n., cover by Richard Weaver)
• * The Silent Invaders (Ace, 1977, 441-76391, $1.50, viii+152pp, pb, n., cover by Don Ivan Punchatz)
• * The Silent Invaders (Hamlyn, October 1978, 0-600-38297-4, 80p, 152pp, pb, n., cover by Peter Jones)
• * The Silent Invaders (Gateway, September 29, 2011, 978-0-575-10599-7, £2.99, ebook, n.)
• * The Silent Invaders (Tor, October 1985, 0-812-55460-4, $2.95, 216pp, pb, om)
• * Sin à la Carte --- see under Loren Beauchamp.
• * Sin Bait --- see under Don Elliott.
• * Sin Bin --- see under Don Elliott.
• * Sin Circuit --- see under Don Elliott.
• * Sin Club --- see under Don Elliott.
• * Sin Crazed --- see under Don Elliott.
• * Sin Cruise --- see under Don Elliott.
• * Sin Doll --- see under Dan Eliot.
• * Sin Festival --- see under John Dexter.
• * Sin for Solace --- see under Don Elliott.
• * The Sinful Ones --- see under Don Elliott.
• * Sin Girls --- see under Marlene Longman.
• * Sin Hellion --- see under Dan Eliot.
• * Sin Kill --- see under Don Elliott.
• * Sin Kin --- see under Don Elliott.
• * Sin Made --- see under Don Elliott.
• * Sin Mates --- see under Dan Eliot.
• * Sin on Wheels --- see under Don Elliott.
• * Sin on Wheels --- see under Loren Beauchamp.
• * Sin Partners --- see under Don Elliott.
• * Sin Quest --- see under Don Elliott.
• * Sin Servant --- see under Don Elliott.
• * Sin Service --- see under Don Elliott.
• * Sin Sick --- see under Don Elliott.
• * The Sins of Seena --- see under Don Elliott.
• * Sin Sold --- see under Don Elliott.
• * Sin Spin --- see under Don Elliott.
• * The Sin Switch --- see under Don Elliott.
• * Sin Warped --- see under Don Elliott.
• * Sir Winston Churchill --- see under Edgar Black.
• * Socrates (G.P. Putnam’s Sons, January 1965, LC:65-10216, 191pp, hc, nf)
• * Something Wild Is Loose (Gateway, September 29, 2011, 978-0-575-10666-6, £2.99, ebook, co)
• * Something Wild Is Loose: 1969-72 (Subterranean Press, May 2008, 978-1-59606-143-9, $35.00, 408pp, hc, co)
• * Something Wild Is Loose: 1969-72 (Subterranean Press, June 30, 2012, 978-1-59606-509-3, $18.95, 410pp, tp, co)
• * The Songs of Summer and Other Stories (Gollancz, May 1979, 0-575-02565-4, £5.25, 173pp, hc, co)
• * Son of Man (Ballantine, June 1971, 345-02277-7, $1.25, 213pp, pb, n., cover by Gene Szafran)
• * Son of Man (Del Rey, March 1977, 0-345-25745-6, $1.50, 213pp, pb, n., cover by Murray Tinkelman)
• * Son of Man (Panther, November 1979, 0-586-04807-3, 95p, 192pp, pb, n., cover by Jim Burns)
• * Son of Man (Warner, September 1987, 0-446-34511-3, $3.95, 213pp, pb, n., cover by Don Dixon)
• * Son of Man (VGSF, August 22, 1991, 0-575-04688-0, £3.99, 192pp, pb, n., cover: [photo] by Image Bank)
• * Son of Man (Gollancz, March 20, 2003, 0-575-07501-5, £9.99, 192pp, tp, n., cover by Jim Burns)
• * Son of Man (Pyr, June 2008, 978-1-59102-646-4, $15.00, 224pp, tp, n., cover by John Picacio)
• * Son of Man (Gateway, September 29, 2011, 978-0-575-10622-2, £4.99, ebook, n.)
• * Sophisticated Sex Techniques in Marriage --- see under L. T. Woodward, M.D..
• * Sorcerers of Majipoor [Majipoor] (Macmillan UK, March 7, 1997, 0-333-64486-7, £16.99, 534pp, hc, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (HarperPrism, August 1997, 0-06-105254-X, $23.00, 462pp, hc, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (SFBC, October 1997, #14549, $11.98, 462pp, hc, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (Pan, October 10, 1997, 0-330-34269-X, £6.99, 629pp, pb, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (HarperPrism, August 1998, 0-06-105780-0, $6.99, 611pp, pb, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (Gateway, September 29, 2011, 978-0-575-10657-4, £4.99, ebook, n.)
• * The South Pole: A Book to Begin On --- see under Lee Sebastian.
• * Starborne (Bantam Spectra, June 1996, 0-553-10264-8, $22.95, 291pp, hc, n., cover by Bruce Jensen)
• * Starborne (Voyager, July 25, 1996, 0-246-13776-2, £15.99, 291pp, hc, n., cover by Fred Gambino)
• * Starborne (Easton Press, October 1996, no ISBN, 291pp, hc, n.)
• * Starborne (Voyager, February 17, 1997, 0-586-21109-8, £5.99, 291pp, pb, n., cover by Fred Gambino)
• * Starborne (Bantam Spectra, August 1997, 0-553-57334-9, $6.50, 227pp, pb, n., cover by Bruce Jensen)
• * Starborne (Gateway, September 29, 2011, 978-0-575-10642-0, £4.99, ebook, n.)
• * Starborne (Phoenix Pick, April 2012, 978-1-61242-080-6, $7.99, 197pp, tp, n.)
• * Starhaven --- see under Ivar Jorgenson.
• * Starhaven (Gateway, July 30, 2015, 978-0-575-10650-5, £4.99, ebook, n.)
• * Starman’s Quest (Gnome Press, December 1958, LC:58-8767, $3.00, 185pp, hc, n., cover by Stan Mack)
• * Starman’s Quest (Meredith Press, November 1969, 0-696-80953-2, $4.95, 186pp, hc, n., cover by Ned Glattauer)
• * Starman’s Quest (Aegypan, February 1, 2009, 978-1-60664-629-8, $22.95, 124pp, hc, n., cover by Hannes Bok from Space Science Fiction March 1953)
• * Starman’s Quest (Gateway, September 29, 2011, 978-0-575-10593-5, £2.99, ebook, n.)
• * Star of Gypsies (Donald I. Fine, September 1986, 0-917657-92-6, $18.95, 397pp, hc, n., cover by Loretta Trezzo)
• * Star of Gypsies (SFBC, February 1987, #10579, $5.98, 378pp, hc, n., cover by Loretta Trezzo)
• * Star of Gypsies (Gollancz, March 1987, 0-575-04014-9, £11.95, 397pp, hc, n., cover by Jim Burns)
• * Star of Gypsies (Questar, April 1988, 0-445-20618-7, $3.95, 466pp, pb, n., cover by Jim Burns)
• * Star of Gypsies (Orbit, August 11, 1988, 0-7088-8275-7, £3.99, 400pp, pb, n., cover by Fred Gambino)
• * Star of Gypsies (Pyr, March 2005, 1-59102-309-2, $15.00, 470pp, tp, n., cover by John Picacio)
• * Star of Gypsies (Gateway, September 29, 2011, 978-0-575-10634-5, £4.99, ebook, n.)
• * Stepsons of Terra (Ace Double, September 1958, D-311, 35¢, 128pp, pb, n., cover by Ed Emshwiller)
• * Stepsons of Terra (Ace, February 1977, 78600, $1.50, xii+174pp, pb, n., cover by Don Ivan Punchatz)
• * Stepsons of Terra (Sphere, November 1979, 0-7221-7824-7, 90p, 158pp, pb, n., cover by Peter Elson)
• * The Stochastic Man (Harper & Row, September 1975, 0-06-013868-8, $7.95, 229pp, hc, n., cover by John Clarke)
• * The Stochastic Man (Gollancz, April 1976, 0-575-02079-2, £3.75, 229pp, hc, n.)
• * The Stochastic Man (Fawcett Gold Medal, August 1976, 0-449-13570-5, $1.50, 240pp, pb, n.)
• * The Stochastic Man (UKSFBC, December 1976, #1119, 229pp, hc, n.)
• * The Stochastic Man (Coronet, 1978, 0-340-22327-8, 80p, 189pp, pb, n., cover by Jim Burns)
• * The Stochastic Man (Warner, July 1987, 0-446-34507-5, $3.95, 240pp, pb, n., cover by Don Dixon)
• * The Stochastic Man (VGSF, December 5, 1991, 0-575-05123-X, £3.99, 229pp, pb, n., cover: [photo] by The Image Bank)
• * The Stochastic Man (Gollancz, July 19, 2001, 0-575-05123-X, £10.99, 229pp, tp, n.)
• * The Stochastic Man (Gateway, September 29, 2011, 978-0-575-10629-1, £4.99, ebook, n.)
• * The Stochastic Man (ReAnimus Press, August 4, 2019, 978-1-0874-3405-6, $14.99, 298pp, tp, n.)
• * The Stolen Election --- see under Lloyd Robinson.
• * Stormy Voyager: The Story of Charles Wilkes (J.B. Lippincott, July 1968, LC:68-24411, $3.95, 192pp, hc, nf)
• * Strange Delights --- see under Loren Beauchamp.
• * Streets of Sin --- see under Mark Ryan.
• * Streets of Sin --- see under Don Elliott.
• * Stripper! --- see under John Dexter.
• * Suburban Affair --- see under David Challon.
• * Suburban Sin Club --- see under David Challon.
• * Summertime Affair --- see under Don Elliott.
• * Sundance and Other Science Fiction Stories (Thomas Nelson US, October 1974, 0-8407-6386-7, $6.50, 192pp, hc, co, cover by Dan Quest)
• * Sundance and Other Science Fiction Stories (Abelard Schuman UK, 1975, 0-200-72382-0, £2.75, 192pp, hc, co)
• * Sundance and Other Science Fiction Stories (Corgi, June 1976, 0-552-10140-0, 60p, 174pp, pb, co, cover by Angus McKie)
• * Sunken History: The Story of Underwater Archaeology (Chilton Books, April 1963, LC:63-7507, $3.95, ix+177pp, hc, nf)
• * Sunken History: The Story of Underwater Archaeology (Bantam Pathfinder, November 1964, FP75, 50¢, 132pp, pb, nf)
• * Sunrise on Mercury (Gollancz, April 1983, 0-575-03217-0, £7.95, 173pp, hc, co)
• * Sunrise on Mercury (Pan, February 1986, 0-330-29117-3, £1.95, 176pp, pb, co, cover by Peter Goodfellow)
• * Sunrise on Mercury and Other Science Fiction Stories (Thomas Nelson US, May 1975, 0-8407-6445-6, $6.95, 175pp, hc, co, cover by Bill Meyers)
• * Switch Trap --- see under Don Elliott.
• * Take My Wife --- see under Don Elliott.
• * Tales of Majipoor [Majipoor] (Gollancz, February 21, 2013, 978-0-575-13006-7, £14.99, 300pp, tp, co, cover by Jim Burns)
• * Tales of Majipoor [Majipoor] (Roc, May 2013, 978-0-451-46498-9, $16.00, 302pp, tp, co, cover by Larry Rostant)
• * Tales of Majipoor [Majipoor] (Subterranean Press, May 2013, 978-1-59606-626-7, $45.00, 372pp, hc, co, cover by Larry Rostant)
• * Tales of Majipoor [Majipoor] (Gollancz, December 12, 2013, 978-0-575-13007-4, £8.99, 300pp, tp, co, cover by Jim Burns)
• * Taste of Power (with Mildred Nelson) --- see under Mildred Nelson.
• * Teaser --- see under Don Elliott.
• * The Temptress --- see under Don Elliott.
• * 1066 --- see under Franklin Hamilton.
• * Thebes of the Hundred Gates (Axolotl, January 1992, 1-56146-117-2, $10.00, 110pp, tp, na, cover by Donna Gordon)
• * Thebes of the Hundred Gates (Bantam Spectra, July 1992, 0-553-29494-6, $3.50, 116pp, pb, na, cover by Jim Effler)
• * Thebes of the Hundred Gates (HarperCollins UK, November 18, 1993, 0-00-223975-2, £13.99, 120pp, hc, na, cover by Fred Gambino)
• * Thebes of the Hundred Gates (HarperCollins UK, May 9, 1994, 0-00-647646-5, £3.99, 120pp, pb, na, cover by Fred Gambino)
• * Thebes of the Hundred Gates (Gateway, September 29, 2011, 978-0-575-10638-3, £4.99, ebook, na)
• * Thebes of the Hundred Gates (Phoenix Pick, February 2013, 978-1-61242-105-6, $5.99, 91pp, tp, na)
• * Thirst for Love --- see under David Challon.
• * The Thirteenth Immortal (Gateway, September 29, 2011, 978-0-575-10586-7, £2.99, ebook, n.)
• * The 13th Immortal (Ace Double, May 1957, D-223, 35¢, 129pp, pb, n., cover by Ed Valigursky)
• * The 13th Immortal (Cosmos Books, October 2004, 1-930997-76-0, $15.00, 145pp, tp, n., cover by J. T. Lindroos)
• * The 13th Immortal (Cosmos Books, March 2009, 978-0-8439-5951-2, $6.99, 204pp, pb, n., cover by J. T. Lindroos)
• * Thorns (Ballantine, August 1967, U6097, 75¢, 222pp, pb, n., cover by Robert Foster)
• * Thorns (Rapp & Whiting, October 1969, 0-85391-132-0, 25/-, 222pp, hc, n., cover by Lawrence Edwards)
• * Thorns (Walker & Co., October 1969, $4.95, 222pp, hc, n., cover by Jack Gaughan)
• * Thorns (New English Library, May 1977, 0-450-03193-4, 65p, 158pp, pb, n., cover by Keith Laban)
• * Thorns (Del Rey, March 1979, 0-345-27968-9, $1.95, 222pp, pb, n., cover by Murray Tinkelman)
• * Thorns (Bantam, August 1983, 0-553-23573-7, $2.75, 222pp, pb, n., cover by Jim Burns)
• * Thorns (Orbit, December 1987, 0-7088-8238-2, £2.50, 158pp, pb, n., cover by Mark Salwowski)
• * Thorns (Gollancz, December 3, 2000, 0-575-07146-X, £9.99, 222pp, tp, n., cover by Sue Michniewicz)
• * Thorns (Gateway, September 29, 2011, 978-0-575-10606-2, £4.99, ebook, n.)
• * Thorns (ReAnimus Press, March 26, 2020, 979-8-6310-1618-7, $14.99, 253pp, tp, n.)
• * Those Who Lust --- see under Don Elliott.
• * Those Who Watch (Signet, April 1967, P3160, 60¢, 143pp, pb, n.)
• * Those Who Watch (NEL, September 1977, 450-03260-4, 75p, 176pp, pb, n., cover by Tim White)
• * Those Who Watch (Gateway, September 29, 2011, 978-0-575-10607-9, £4.99, ebook, n.)
• * Those Who Watch/Thorns (New English Library, 1979, 0-450-05176-5, £1.25, 158+176pp, pb, om, cover by Tim White)
• * Three Novels: The World Inside/Thorns/Downward to the Earth (Bantam Spectra, May 1988, 0-553-27287-X, $4.95, 487pp, pb, om, cover by Gary Ruddell)
• * 3 Sinners --- see under Don Elliott.
• * Three Survived (Holt, Rinehart & Winston, March 1969, 0-03-076315-0, $2.95, 117pp, hc, n., cover by H. Lawrence Hoffman)
• * Three Survived (Wildside Press, November 23, 2010, 978-1-4344-1620-9, $14.95, 78pp, tp, n., cover by Luca Oleastri)
• * Three Survived (Gateway, September 29, 2011, 978-0-575-10618-5, £4.99, ebook, n.)
• * Till Love Do Us Part --- see under Don Elliott.
• * Time and Time Again (Three Rooms Press, November 6, 2018, 978-1-941110-72-0, $16.00, xxi+463pp, tp, co)
• * The Time Hoppers (Doubleday, May 1967, $3.95, 182pp, hc, n.)
• * The Time Hoppers (SFBC, August 1967, $1.70, viii+182pp, hc, n., cover by Rudolph de Harak)
• * The Time Hoppers (Sidgwick & Jackson, June 1968, 0-283-35491-7, 18/-, viii+182pp, hc, n.)
• * The Time Hoppers (Avon, October 1968, S-372, 60¢, 158pp, pb, n., cover by Don Punchatz)
• * The Time-Hoppers (Tandem, May 1970, 0-426-04124-0, 25p, 190pp, pb, n.)
• * The Time Hoppers (Belmont Tower, August 1974, 50716, 95¢, 182pp, pb, n.)
• * The Time Hoppers (Leisure Books, 1977, 0-8439-0512-3, $1.50, 182pp, pb, n., cover by Attila Hejja)
• * The Time Hoppers (Fontana, March 1979, 0-00-615147-7, 85p, 160pp, pb, n., cover by Justin Todd)
• * The Time Hoppers (Ace, February 1982, 978-0-441-81195-3, $2.25, 196pp, pb, n., cover by Michael Embden)
• * The Time Hoppers (VGSF, March 1988, 0-575-04040-8, £2.95, 191pp, pb, n., cover by Terry Pastor)
• * The Time Hoppers (Gateway, September 29, 2011, 978-0-575-10608-6, £4.99, ebook, n.)
• * A Time of Changes (SFBC, June 1971, #3346, $1.49, 183pp, hc, n., cover by Brad Holland)
• * A Time of Changes (Signet, August 1971, Q4729, 95¢, 220pp, pb, n., cover by Gene Szafran)
• * A Time of Changes (Gollancz, July 1973, 0-575-01610-8, £2.10, 221pp, hc, n.)
• * A Time of Changes (Panther, February 1975, 0-586-03995-3, £0.50, 205pp, pb, n., cover by Bruce Pennington)
• * A Time of Changes (Berkley Books, April 1979, 0-425-04051-8, $1.95, x+214pp, pb, n., cover by Paul Alexander)
• * A Time of Changes (Gollancz, March 1986, 0-575-03820-9, £2.95, 221pp, pb, n.)
• * A Time of Changes (Warner, December 1986, 0-446-34061-8, $3.95, 214pp, pb, n.)
• * A Time of Changes (Easton Press, October 1988, no ISBN, $32.00, 221pp, hc, n.)
• * A Time of Changes (Orb, May 2009, 978-0-7653-2231-9, $14.95, 300pp, tp, n.)
• * A Time of Changes (Gollancz, August 20, 2020, 978-1-4732-2923-5, £9.99, xii+300pp, tp, n., cover by Getty Images)
• * Time of the Great Freeze (Holt, Rinehart & Winston, April 1964, $3.50, 192pp, hc, n., cover by Brinton Turkle)
• * Time of the Great Freeze (Dell, September 1966, 8922, 50¢, 192pp, tp, n., cover by Schaare)
• * Time of the Great Freeze (Ace, August 1980, 0-441-81190-6, $1.95, ix+195pp, pb, n., cover by Paul Alexander)
• * Time of the Great Freeze (Tor, February 1988, 0-812-55469-8, $2.95, 205pp, pb, n., cover by Thomas Kidd)
• * Time of the Great Freeze (Gateway, September 29, 2011, 978-0-575-10601-7, £4.99, ebook, n.)
• * Time of the Great Freeze (ReAnimus Press, November 27, 2017, 978-1-9811-9748-4, $12.99, 214pp, tp, n.)
• * Times Three (Subterranean Press, April 2011, 978-1-59606-319-8, $40.00, 473pp, hc, om, cover by John Picacio)
• * To Be Continued (Subterranean Press, November 2006, 1-59606-061-1, $35.00, 392pp, hc, co, cover by Bob Eggleton)
• * To Be Continued (Gateway, September 29, 2011, 978-0-575-10664-2, £2.99, ebook, co)
• * To Be Continued (Subterranean Press, March 20, 2012, 978-1-59606-507-9, $18.95, 392pp, tp, co, cover by Tomas Maronski)
• * To Live Again (Doubleday, September 1969, $4.95, 231pp, hc, n., cover by Pat Steir)
• * To Live Again (SFBC, January 1970, #2135, $1.49, 231pp, hc, n., cover by Pat Steir)
• * To Live Again (Dell, January 1971, 8973, 75¢, 207pp, pb, n.)
• * To Live Again (Sidgwick & Jackson, February 1975, 0-283-98175-X, £3.25, 231pp, hc, n., cover by Dave Sumner)
• * To Live Again (Fontana, May 1977, 0-00-614609-0, 75p, 231pp, pb, n., cover by Jim Burns)
• * To Live Again (Berkley Books, June 1978, 0-425-03774-6, $1.95, 12+208pp, pb, n., cover by Paul Alexander)
• * To Live Again (Warner, September 1986, 0-446-34058-8, $3.95, 208pp, pb, n., cover by Jim Burns)
• * To Live Again (VGSF, July 1987, 0-575-03989-2, £2.95, 231pp, pb, n., cover by Jim Burns)
• * To Live Again (Pulpless.Com, May 1999, 1-58445-018-5, $19.95, 245pp, tp, n., cover by Billy Tackett)
• * To Live Again (Gateway, September 29, 2011, 978-0-575-10619-2, £4.99, ebook, n.)
• * To Live Again/The Second Trip (Open Road Integrated Media, October 8, 2013, 978-1-4804-4852-0, $20.99, 504pp, tp, om)
• * Tom O’Bedlam (Donald I. Fine, June 1985, 0-917657-31-4, $16.95, 320pp, hc, n., cover by Loretta Trezzo)
• * Tom O’Bedlam (QPBC, November 1985, no ISBN, $8.95, 320pp, pb, n., cover by Loretta Trezzo)
• * Tom O’Bedlam (Gollancz, April 1986, 0-575-03773-3, £9.95, 320pp, hc, n., cover by Mike Embden)
• * Tom O’Bedlam (Warner, August 1986, 0-446-34002-2, $3.95, 374pp, pb, n., cover by Jim Burns)
• * Tom O’Bedlam (Orbit, May 1987, 0-7088-3372-1, £2.95, 320pp, pb, n., cover by Mark Salwowski)
• * Tom O’Bedlam (Olmstead Press, June 2001, 978-1-58754-116-2, $14.95, xv+303pp, tp, n.)
• * Tom O’Bedlam (Open Road Integrated Media, July 28, 2015, 978-1-5040-1429-8, $17.99, 436pp, tp, n.)
• * To Open the Sky [Blue Fire] (Ballantine, May 1967, U6093, 75¢, 222pp, pb, n., cover by Richard Powers)
• * To Open the Sky [Blue Fire] (Sphere, May 1970, 78409, 30p, 202pp, pb, n.)
• * To Open the Sky [Blue Fire] (Gregg Press, June 1977, 0-8398-2382-7, $11.00, xi+222pp, hc, n.)
• * To Open the Sky [Blue Fire] (Berkley Books, July 1978, 0-425-03810-6, $1.95, 14+209pp, pb, n., cover by Paul Alexander)
• * To Open the Sky [Blue Fire] (Bantam, December 1984, 0-553-24502-3, $2.75, 222pp, pb, n.)
• * To Open the Sky (Pulpless.Com, June 1999, 1-58445-045-2, $19.95, 234pp, tp, n., cover by Billy Tackett)
• * To Open the Sky [Blue Fire] (Gateway, September 29, 2011, 978-0-575-10609-3, £4.99, ebook, n.)
• * To Open the Sky [Blue Fire] (Three Ravens Publishing, November 28, 2023, 978-1-962791-21-2, $13.99, 261pp, tp, n.)
• * The Tormented --- see under Marlene Longman.
• * To the Dark Star (Gateway, September 29, 2011, 978-0-575-10665-9, £2.99, ebook, co)
• * To the Dark Star: 1962-69 (Subterranean Press, June 2007, 978-1-59606-089-0, $35.00, 391pp, hc, co)
• * To the Dark Star: 1962-69 (Subterranean Press, April 30, 2012, 978-1-59606-508-6, $18.95, 392pp, tp, co)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Gollancz, April 27, 1989, 0-575-04461-6, £12.95, 308pp, hc, n., cover by Jim Burns)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Questar, March 1990, 0-445-20844-9, $4.95, 310pp, pb, n., cover by Paul & Steve Youll)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Easton Press, March 1990, no ISBN, 310pp, hc, n.)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (VGSF, March 22, 1990, 0-575-04496-9, £3.99, 308pp, pb, n., cover by Steve Crisp)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Gateway, September 29, 2011, 978-0-575-10637-6, £4.99, ebook, n.)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Open Road Integrated Media, July 28, 2015, 978-1-5040-1443-4, $18.99, 454pp, tp, n.)
• * To the Rock of Darius: The Story of Henry Rawlinson (Holt, Rinehart and Winston, October 1966, 97909-0916, 218pp, hc, bg, cover by Alan E. Cober)
• * To the Western Shore: The Growth of the United States 1776-1853 (Doubleday, May 1971, LC:71-144297, $3.95, 207pp, hc, nf)
• * Tower of Glass (Charles Scribner’s Sons, October 1970, $5.95, 247pp, hc, n.)
• * Tower of Glass (Bantam Books, May 1971, 978-0-553-06902-0, $0.75, 184pp, pb, n., cover by Blossom)
• * Tower of Glass (Panther, April 1976, 586-04301-2, 60p, 206pp, pb, n., cover by Colin Hay)
• * Tower of Glass (Warner, August 1987, 0-446-34509-1, $3.95, 184pp, pb, n., cover by Don Dixon)
• * Tower of Glass (Orbit, October 1987, 0-7088-8243-9, £2.50, 206pp, pb, n., cover by Mark Salwowski)
• * Tower of Glass (Gollancz, April 20, 2000, 0-575-07097-8, £9.99, 206pp, tp, n., cover by Sue Michniewicz)
• * Tower of Glass (Gateway, September 29, 2011, 978-0-575-10621-5, £4.99, ebook, n.)
• * Tower of Glass (ReAnimus Press, September 10, 2019, 978-1-6923-4694-2, $14.95, 273pp, tp, n., cover by Jim Burns)
• * To Worlds Beyond (Chilton, April 1965, $3.95, xvi+171pp, hc, co)
• * To Worlds Beyond (Sphere, June 1969, 78425, 5/-, 158pp, pb, co)
• * Treasures Beneath the Sea (Whitman Publishing Company, October 1960, LC:61-00562, 92pp, hc, nf, cover by Norman Kenyon)
• * Treasures Beneath the Sea (Scholastic, November 1971, TW1932, 60¢, 78pp, tp, nf, cover by Mort Kunstler)
• * Trips (Gateway, September 29, 2011, 978-0-575-10667-3, £2.99, ebook, co)
• * Trips: 1972-73 (Subterranean Press, May 2009, 978-1-59606-212-2, $35.00, 411pp, hc, co)
• * Twilight Women --- see under L. T. Woodward, M.D..
• * Twisted Love --- see under Mark Ryan.
• * The Ugly Little Boy (with Isaac Asimov) --- see under Isaac Asimov.
• * Unfamiliar Territory (Scribner’s, September 1973, 684-13432-2, $5.95, 212pp, hc, co)
• * Unfamiliar Territory (Gollancz, January 1975, 0-575-01919-0, £2.50, 212pp, hc, co)
• * Unfamiliar Territory (Coronet, 1977, 0-340-21978-5, 90p, 204pp, pb, co, cover by Jim Burns)
• * Unfamiliar Territory (Berkley Books, December 1978, 0-425-03882-3, $1.95, xii+207pp, pb, co, cover by Paul Alexander)
• * The Untamed --- see under Don Elliott.
• * Unwilling Sinner --- see under Loren Beauchamp.
• * Up the Line (Ballantine, August 1969, 01680, 75¢, 250pp, pb, n., cover by Ron Walotsky)
• * Up the Line (Sphere, May 1975, 0-7221-7835-2, 50p, 207pp, pb, n.)
• * Up the Line (Del Rey, June 1978, 0-345-27388-5, $1.75, 250pp, pb, n., cover by Murray Tinkelman)
• * Up the Line (VGSF, December 1987, 0-575-04038-6, £2.95, 250pp, pb, n.)
• * Up the Line (ibooks, June 2002, 0-7434-4497-3, $12.00, 298pp, tp, n., cover by Eric J. Hellar)
• * Up the Line (Gateway, September 29, 2011, 978-0-575-10620-8, £1.99, ebook, n.)
• * Up the Line (Blackstone Publishing, January 14, 2025, 979-8-212-87778-7, $16.99, 280pp, tp, n.)
• * Valentine of Majipoor [Majipoor] (SFBC, February 1999, #02048, $17.98, 806pp, hc, om, cover by Ron Walotsky)
• * Valentine Pontifex [Majipoor] (Arbor House, October 1983, 0-87795-544-1, $15.95, 347pp, hc, n., cover by Loretta Trezzo)
• * Valentine Pontifex [Majipoor] (SFBC, April 1984, #3546, $5.98, 347pp, hc, n., cover by Loretta Trezzo)
• * Valentine Pontifex [Majipoor] (Gollancz, June 1984, 0-575-03444-0, £9.95, 347pp, hc, n., cover by Jim Burns)
• * Valentine Pontifex [Majipoor] (Bantam, November 1984, 0-553-24494-9, $3.95, 368pp, pb, n.)
• * Valentine Pontifex [Majipoor] (Pan, June 1985, 0-330-28707-9, £3.50, 367pp, pb, n., cover by Josh Kirby)
• * Valentine Pontifex [Majipoor] (HarperPrism, March 1996, 0-06-105486-0, $5.99, 478pp, pb, n., cover by Jim Burns)
• * Valentine Pontifex [Majipoor] (Voyager, January 4, 2000, 0-00-648378-X, £6.99, 347pp, pb, n., cover by Jim Burns)
• * Valentine Pontifex [Majipoor] (Gateway, September 29, 2011, 978-0-575-10655-0, £4.99, ebook, n.)
• * Valentine Pontifex [Majipoor] (Roc, January 2013, 978-0-451-46491-0, $16.00, 353pp, tp, n., cover by Larry Rostant)
• * Valentine Pontifex [Majipoor] (Open Road Integrated Media, September 19, 2023, 978-1-5040-8717-9, $21.99, 200pp, tp, n.)
• * Valley Beyond Time (Dell, January 1973, 9249, 95¢, 223pp, pb, co)
• * Vanishing Giants: The Story of the Sequoias (Simon & Schuster, April 1969, 671-65067-X, $4.50, 160pp, hc, nf, cover by Ahza Moore)
• * The Venus Affair --- see under Jeremy Dunn.
• * Virgin Wives --- see under L. T. Woodward, M.D..
• * The Virtuous Ones --- see under Don Elliott.
• * Vornan-19 (Sidgwick & Jackson, July 1970, 0-283-98079-6, £1.50, 252pp, hc, n.)
• * Vornan-19 (Tandem, August 1972, 4260-6445-3, 30p, 252pp, pb, n., cover by Chris Achilleos)
• * Voyagers: Twelve Journeys Through Space and Time (Three Rooms Press, April 20, 2021, 978-1-953103-04-8, $16.00, xvii+414pp, tp, co)
• * Wanton Web --- see under Don Elliott.
• * The Wanton West --- see under Don Elliott.
• * Wayward Widow --- see under Loren Beauchamp.
• * We Are for the Dark: 1987-90 (Subterranean Press, August 2012, 978-1-59606-501-7, $35.00, 384pp, hc, co)
• * We Are for the Dark: 1987-90 (Gateway, December 7, 2012, 978-0-575-10670-3, £4.99, ebook, co)
• * We Are for the Dark: 1987-90 (Subterranean Press, June 19, 2014, 978-1-59606-693-9, $18.95, 386pp, tp, co)
• * When the Blue Shift Comes (with Alvaro Zinos-Amaro) (Phoenix Pick, November 2012, 978-1-61242-074-5, $12.99, 187pp, tp, oc)
• * When the Blue Shift Comes (with Alvaro Zinos-Amaro) (Gollancz, March 14, 2014, 978-0-575-13187-3, £8.99, 187pp, tp, oc, cover by Chris Moore)
• * Wife in Name Only --- see under Jeremy Dunn.
• * The Wife Traders --- see under Loren Beauchamp.
• * Wild Divorcee --- see under Don Elliott.
• * Wild Flesh --- see under Don Elliott.
• * The Wild Party --- see under Ray McKenzie.
• * Woman Chaser --- see under Don Elliott.
• * Wonders of Ancient Chinese Science (Hawthorn Books, May 1969, LC:69-10917, $3.95, 126pp, hc, nf, cover by Marvin Besunder)
• * The World Inside [Urban Monad] (Doubleday, July 1971, $4.95, 201pp, hc, n., cover by James Starrett)
• * The World Inside [Urban Monad] (SFBC, March 1972, #2393, $1.49, 184pp, hc, n., cover by James Starrett)
• * The World Inside [Urban Monad] (Signet, September 1972, Q5176, 95¢, 174pp, pb, n., cover by Dean Ellis)
• * The World Inside [Urban Monad] (Millington, June 1977, 0-86000-088-5, £3.50, 185pp, hc, n., cover by Dave Austin)
• * The World Inside [Urban Monad] (Panther, August 1978, 0-586-04741-7, 75p, 188pp, pb, n., cover by Colin Hay)
• * The World Inside [Urban Monad] (Bantam, March 1983, 0-553-23279-7, $2.50, 167pp, pb, n., cover by Jim Burns)
• * The World Inside [Urban Monad] (VGSF, August 16, 1990, 0-575-04691-0, £3.50, 174pp, pb, n., cover by Jim Burns)
• * The World Inside [Urban Monad] (ibooks, September 2004, 0-7434-8723-0, $11.95, 233pp, tp, n., cover by Luis Royo)
• * The World Inside [Urban Monad] (Orb, March 2010, 978-0-7653-2432-0, $14.99, 256pp, tp, n.)
• * The World Inside [Urban Monad] (Gateway, September 29, 2011, 978-0-575-10624-6, £4.99, ebook, n.)
• * World of a Thousand Colors (Arbor House, September 1982, 0-87795-417-8, $14.95, 329pp, hc, co, cover by Loretta Trezzo)
• * World of a Thousand Colors (Priam, July 1983, 0-87795-493-3, $6.95, 329pp, tp, co)
• * World of a Thousand Colors (Bantam, July 1984, 0-553-24059-5, $2.95, 331pp, pb, co)
• * The World of Coral (Duell, Sloan & Pearce, October 1965, LC:65-24858, 150pp, hc, nf)
• * The World of Space (Meredith Press, November 1969, 696-88085-7, $5.95, 185pp, hc, nf)
• * The World of the Ocean Depths (Meredith Press, April 1968, LC:68-11909, $4.95, 156pp, hc, nf, cover by Marcia Haight)
• * The World of the Ocean Depths (World’s Work, 1970, 152pp, hc, nf)
• * The World of the Rain Forests (Meredith Press, June 1967, LC:67-14750, 172pp, hc, nf)
• * World’s Fair, 1992 [World’s Fair] (Follett Publishing Co., June 1970, 0-695-80089-2, $4.95, 248pp, hc, n., cover by Jack Endewelt)
• * World’s Fair, 1992 [World’s Fair] (Ace, November 1982, 0-441-90923-X, $2.50, ix+240pp, pb, n., cover by Attila Hejja)
• * World’s Fair, 1992 [World’s Fair] (Gateway, September 29, 2011, 978-0-575-10610-9, £4.99, ebook, n.)
• * World’s Fair, 1992 [World’s Fair] (Armchair Fiction, September 25, 2016, 978-1-61287-338-1, $12.95, 216pp, tp, n.)
• * The World Within the Ocean Wave (Weybright & Talley, June 1972, LC:78-186561, 114pp, hc, nf)
• * The World Within the Tide Pool (Weybright & Talley, June 1972, LC:78-186560, 119pp, hc, nf)
• * Would-Be Sinner --- see under Don Elliott.
• * You and Your Sex Life --- see under L. T. Woodward, M.D..
• * The Young Wantons --- see under Don Elliott.
_____, ed.
• * The Aliens (Thomas Nelson US, July 1976, 0-8407-6488-X, $6.95, 189pp, hc, an, cover by James E. Barry)
• * Alpha 1 (ReAnimus Press, May 18, 2022, 979-8-8293-5125-0, $16.99, 342pp, tp, an)
• * Alpha One (Ballantine, September 1970, 0-345-02014-6, 95¢, vii+278pp, pb, an, cover by John Lindner)
• * Alpha 2 (ReAnimus Press, May 24, 2022, 979-8-8314-2134-7, $16.99, 344pp, tp, an)
• * Alpha Two (Ballantine, November 1971, 02419, 95¢, vii+310pp, pb, an, cover by Larry Kresek)
• * Alpha 3 (ReAnimus Press, July 8, 2022, 979-8-8399-2290-7, $16.99, 362pp, tp, an)
• * Alpha Three (Ballantine, October 1972, 0-345-02883-X, $1.25, 277pp, pb, an)
• * Alpha 4 (Ballantine, October 1973, 0-345-23564-9, $1.25, 279pp, pb, an, cover by Bruce Pennington)
• * Alpha 4 (ReAnimus Press, July 16, 2022, 979-8-8408-8147-7, $16.99, 361pp, tp, an)
• * Alpha 5 (Ballantine, August 1974, 345-24140-1, $1.25, 267pp, pb, an, cover by Bruce Pennington)
• * Alpha 5 (ReAnimus Press, July 30, 2022, 979-8-8430-7035-9, $16.99, 327pp, tp, an)
• * Alpha 6 (Berkley Medallion, April 1976, 425-03048-2, $1.50, x+211pp, pb, an, cover by Richard Powers)
• * Alpha 6 (ReAnimus Press, September 1, 2022, 979-8-8480-5458-3, $16.99, 266pp, tp, an)
• * Alpha 7 (Berkley Medallion, July 1977, 425-03530-1, $1.50, x+240pp, pb, an, cover by Randy Weidner)
• * Alpha 7 (ReAnimus Press, November 5, 2022, 979-8-8487-0700-7, $16.99, 312pp, tp, an)
• * Alpha 8 (Berkley Medallion, November 1977, 425-03561-1, $1.50, x+242pp, pb, an)
• * Alpha 8 (ReAnimus Press, November 7, 2022, 979-8-3626-2978-6, $16.99, 296pp, tp, an)
• * Alpha 9 (Berkley, October 1978, 0-425-03838-6, $1.75, ix+180pp, pb, an, cover by Vincente Segrelles)
• * Alpha 9 (ReAnimus Press, November 7, 2022, 979-8-3626-3483-4, $16.99, 252pp, tp, an)
• * The Androids Are Coming (Elsevier, November 1979, 0-525-66672-9, $7.95, 183pp, hc, an, cover by Michael Eagle)
• * The Androids Are Coming (Cosmos Books, December 2000, 1-58715-240-1, $15.00, 183pp, pb, an)
• * Antarctic Conquest --- see under Walker Chapman.
• * The Arbor House Treasury of Great Science Fiction Short Novels (with Martin H. Greenberg) (Arbor House, November 1980, 0-87795-295-7, $9.95, x+753pp, tp, an)
• * The Arbor House Treasury of Modern Science Fiction (with Martin H. Greenberg) (Arbor House, April 1980, 0-87795-266-3, $8.95, xii+754pp, tp, an)
• * The Arbor House Treasury of Modern Science Fiction (with Martin H. Greenberg) (Priam, April 1980, 0-87795-266-3, $8.95, 538pp, tp, an)
• * The Arbor House Treasury of Science Fiction Masterpieces (with Martin H. Greenberg) (Arbor House, April 1983, 0-87795-446-1, $8.95, 538pp, tp, an)
• * The Arbor House Treasury of Science Fiction Masterpieces (with Martin H. Greenberg) (Priam, February 1984, 0-87795-446-1, $8.95, 538pp, tp, an)
• * The Avram Davidson Treasury by Avram Davidson (with Grania Davis) --- see under Avram Davidson.
• * The Best of New Dimensions (Pocket Books, November 1979, 0-671-82976-9, $2.50, xiv+333pp, pb, an, cover by Richard Powers)
• * The Best of Randall Garrett by Randall Garrett --- see under Randall Garrett.
• * Between Worlds (SFBC, August 2004, 1-58288-108-1, $12.99, xi+398pp, hc, oa, cover by Donato Giancola)
• * Beyond Control (Thomas Nelson US, October 1972, 0-8407-6236-4, $5.95, 219pp, hc, an, cover by Karl Wurzer)
• * Beyond Control (Sidgwick & Jackson, November 1973, 0-283-97989-5, £1.95, 219pp, hc, an)
• * Beyond Control (Dell Laurel-Leaf, February 1974, 2112, 95¢, 236pp, pb, an, cover by Gene Szafran)
• * Beyond Control (Wildside Press, March 5, 2009, 978-1-4344-5510-9, $14.99, 220pp, tp, an)
• * Beyond the Gate of Worlds [Gate of Worlds] (Tor, January 1991, 0-812-55444-2, $3.95, 280pp, pb, oa, cover by Ken Kelly)
• * Car Sinister (with Martin H. Greenberg & Joseph D. Olander) (Avon, July 1979, 0-380-45393-2, $2.25, 253pp, pb, an, cover by Mike Wilkes)
• * A Century of Fantasy 1980-1989 (with Martin H. Greenberg) (MJF Books, February 1997, 1-56731-156-3, $8.98, 342pp, hc, an, cover by Wayne D. Barlowe)
• * A Century of Science Fiction 1950-1959 (with Martin H. Greenberg) (MJF Books, February 1997, 1-56731-154-7, $8.98, 341pp, hc, an, cover by Vincent DiFate)
• * Chains of the Sea (Thomas Nelson US, September 1973, 0-8407-6314-X, $6.50, 221pp, hc, oa)
• * Chains of the Sea (SFBC, December 1973, #5997, $1.49, viii+182pp, hc, oa, cover by Dan Quest)
• * Chains of the Sea (Dell Laurel-Leaf, November 1974, 1418, 95¢, 208pp, pb, oa, cover by Gervasio Gallardo)
• * The Crystal Ship (Thomas Nelson US, September 1976, 0-8407-6527-4, $7.95, 208pp, hc, oa, cover by Mike Mariano)
• * The Crystal Ship (SFBC, October 1976, #3048, $1.98, 185pp, hc, oa, cover by Mike Mariano)
• * The Crystal Ship (Pocket Books, October 1977, 978-0-671-81069-6, $1.50, 188pp, pb, oa, cover by Norman Adams)
• * The Crystal Ship (Millington, March 1980, 978-0-86000-111-9, £4.50, ix+188pp, hc, oa, cover by Lorie Epstein)
• * The Crystal Ship (UKSFBC, May 1981, #1180, ix+188pp, hc, oa)
• * Dark Stars (Ballantine, December 1969, 0-345-01796-X, 95¢, x+309pp, pb, an, cover by Ronald Walotsky)
• * Dawn of Time: Prehistory Through Science Fiction (with Martin H. Greenberg & Joseph D. Olander) (Elsevier, June 1979, 0-525-66624-9, $8.95, 224pp, hc, an, cover by John P. Capello)
• * The Day the Sun Stood Still --- see under Anon..
• * The Day the Sun Stood Still (ReAnimus Press, August 12, 2020, 979-8-6748-4986-5, $14.99, 250pp, tp, oa)
• * Deep Space (Thomas Nelson US, March 1973, 0-8407-6264-X, $5.95, 223pp, hc, an, cover by Edward J. Bonner)
• * Deep Space (SFBC, July 1973, #5791, $1.49, viii+183pp, hc, an, cover by Edward J. Bonner)
• * Deep Space (Dell Laurel, November 1974, 3264, 95¢, 221pp, pb, an, cover by John Berkey)
• * Deep Space (Abelard Schuman UK, 1976, 0-200-72471-1, £3.95, 223pp, hc, an, cover by Graham Tucker)
• * Deep Space (Corgi, September 1977, 0-552-10551-1, 70p, 172pp, pb, an, cover by Peter Jones)
• * Earth Is the Strangest Planet (Thomas Nelson US, May 1977, 0-8407-6528-2, $6.95, 189pp, hc, an, cover by Mike Mariano)
• * Earth Is the Strangest Planet (Cosmos Books, December 2000, 1-58715-242-8, $15.00, 189pp, tp, an)
• * Earthmen and Strangers (Duell, Sloan and Pearce, September 1966, LC:66-10485, $3.95, 240pp, hc, an)
• * Earthmen and Strangers (Dell, July 1968, 2206, 50¢, 191pp, pb, an, cover by Jeff Jones)
• * Earthmen and Strangers (Manor Books, 1977, 15228, $1.50, xi+240pp, pb, an)
• * Earthmen and Strangers (Bart, February 1989, 1-55785-081-X, $3.50, 191pp, pb, an, cover by F. Rubio)
• * The Edge of Space (Elsevier, June 1979, 0-525-66625-7, $8.95, 224pp, hc, oa, cover by Freff)
• * The Ends of Time (Hawthorn Books, August 1970, $5.95, x+225pp, hc, an, cover by Barry Martin)
• * The Ends of Time (Award Books, 1971, A778N, 95¢, 188pp, pb, an, cover by Chris Achilleos)
• * The Ends of Time (Cosmos Books, December 2000, 1-58715-241-X, $15.00, x+225pp, tp, an)
• * Epoch (with Roger Elwood) --- see under Roger Elwood.
• * Explorers of Space (Thomas Nelson US, April 1975, 0-8407-6439-1, $6.95, 253pp, hc, an, cover by Frank Alois)
• * The Fantasy Hall of Fame (with Martin H. Greenberg) (Arbor House, October 1983, 0-87795-521-2, $16.95, 431pp, hc, an, cover by E. T. Steadman)
• * The Fantasy Hall of Fame (HarperPrism, March 1998, 0-06-105215-9, $14.00, 562pp, tp, an)
• * The Fantasy Hall of Fame (SFBC, August 1998, #17918, $10.98, 562pp, hc, an)
• * Fantasy: The Best of 2001 (with Karen Haber) (ibooks, June 2002, 0-7434-5247-X, $7.99, viii+424pp, pb, an, cover by Scott Grimando)
• * Fantasy: The Best of 2002 (with Karen Haber) (ibooks, May 2003, 0-7434-5867-2, $7.99, 358pp, pb, an, cover by Ciruelo)
• * Far Horizons: All New Tales from the Greatest Worlds of Science Fiction (Avon Eos, May 1999, 0-380-97630-7, $27.50, 482pp, hc, oa, cover by Amy Halperin)
• * Far Horizons: All New Tales from the Greatest Worlds of Science Fiction (Orbit, June 3, 1999, 1-85723-942-3, £17.99, 481pp, hc, oa, cover by Fred Gambino)
• * Far Horizons: All New Tales from the Greatest Worlds of Science Fiction (SFBC, July 1999, #01212, $13.98, 482pp, hc, oa, cover by Amy Halperin)
• * Far Horizons: All New Tales from the Greatest Worlds of Science Fiction (Orbit, July 6, 2000, 1-85723-968-7, £7.99, 689pp, pb, oa, cover by Fred Gambino)
• * Far Horizons: All New Tales from the Greatest Worlds of Science Fiction (HarperCollins/Eos, December 2005, 0-06-081712-7, $14.95, 484pp, tp, oa, cover by Bob Keck)
• * Far Horizons: Greatest Worlds of SF (HarperCollins/Eos, May 2000, 0-380-79694-5, $6.99, 595pp, pb, oa, cover by Gregory Bridges)
• * Four Futures (Hawthorn Books, October 1971, $5.95, xii+195pp, hc, oa, cover: Viervlak-planetoïde by M. C. Escher from 1959)
• * Four Futures (Manor Books, October 1976, 12440, $1.25, xi+195pp, pb, oa, cover by Bruce Pennington)
• * Galactic Dreamers: Science Fiction as Visionary Literature (Random House, August 1977, 0-394-49479-2, $8.95, xii+275pp, hc, an, cover by R. Adelson)
• * Great Adventures in Archaeology (The Dial Press, November 1964, LC:63-19933, $7.50, 402pp, hc, an)
• * Great Adventures in Archaeology (Robert Hale, 1966, 336pp, hc, an)
• * Great Adventures in Archaeology (Penguin, July 1985, 978-0-14-007728-5, £3.95, 336pp, tp, an)
• * Great Adventures in Archaeology (Bison Books, 1997, 0-8032-9247-3, $16.95, 402pp, tp, an)
• * Great Fantasy (with Martin H. Greenberg) (W.H. Smith, 2004, 1-84529-106-9, £4.99, 431pp, tp, an)
• * Great Science Fiction of the 20th Century (with Martin H. Greenberg) (Crown/Avenel, 1987, 0-517-64124-0, $8.98, 726pp, hc, an)
• * The Great SF Stories: 1964 (with Martin H. Greenberg) (NESFA Press, December 2001, 1-886778-21-3, $25.00, 395pp, hc, an, cover by Eddie Jones)
• * Great Short Novels of Science Fiction (Ballantine, July 1970, 0-345-01960-1, 95¢, viii+373pp, pb, an, cover by Donna Violetti)
• * Great Tales of Science Fiction (with Martin H. Greenberg) (A&W/Galahad, 1985, 0-88365-701-5, $8.98, 529pp, hc, an)
• * The Horror Hall of Fame (with Martin H. Greenberg) (Carroll & Graf, July 1991, 0-88184-692-9, $21.95, 416pp, hc, an)
• * The Horror Hall of Fame (with Martin H. Greenberg) (SFBC, January 1992, #18773, $9.98, 416pp, hc, an)
• * The Horror Hall of Fame (with Martin H. Greenberg) (Robert Hale, September 1992, 0-7090-4902-1, £14.95, 416pp, hc, an, cover by Helen Hale)
• * The Horror Hall of Fame (with Martin H. Greenberg) (Carroll & Graf, December 1992, 0-88184-880-8, $12.95, 416pp, tp, an)
• * Infinite Jests (Wildside Press, March 6, 2009, 978-1-4344-5498-0, $14.99, 240pp, tp, an)
• * Infinite Jests: The Lighter Side of Science Fiction (Chilton, April 1974, 0-8019-5931-4, $5.95, viii+231pp, hc, an, cover by Jack Freas)
• * The Infinite Web (The Dial Press, July 1977, 0-8037-4135-9, $7.95, xiii+239pp, hc, an, cover by Leo & Diane Dillon)
• * Invaders from Space (Hawthorn Books, March 1972, LC:75-179117, $6.95, 241pp, hc, an, cover by Angela Arnet)
• * Legends (var. 1) (Voyager, November 1, 1999, 0-00-648394-1, £5.99, xiv+352pp, pb, oa, cover by Josh Kirby)
• * Legends (var. 2) (Voyager, April 3, 2000, 0-00-648393-3, £6.99, xiv+380pp, pb, oa)
• * Legends: Volume 1 (Tor, September 1999, 0-812-56663-7, $6.99, xx+378pp, pb, oa, cover by Michael Whelan)
• * Legends: Volume 2 (Tor, November 1999, 0-812-57523-7, $6.99, xx+379pp, pb, oa, cover by Keith Parkinson)
• * Legends: Volume 3 (Tor, February 2000, 0-812-56664-5, $6.99, xx+424pp, pb, oa, cover by Darrell K. Sweet)
• * Legends (Tor, August 2001, 0-765-30035-4, $15.95, 715pp, tp, oa, cover by Darrell K. Sweet)
• * Legends: Eleven New Works by the Masters of Modern Fantasy (Voyager, October 5, 1998, 0-00-225666-5, £17.99, xiv+591pp, hc, oa, cover by Josh Kirby & Geoff Taylor)
• * Legends: Eleven New Works by the Masters of Modern Fantasy (Voyager, June 7, 1999, 0-00-225667-3, £11.99, xiv+591pp, tp, oa, cover by Josh Kirby & Geoff Taylor)
• * Legends: Short Novels by the Masters of Modern Fantasy (Tor, October 1998, 0-312-86787-5, $27.95, 715pp, hc, oa)
• * Legends: Short Novels by the Masters of Modern Fantasy (SFBC, December 1998, #00740, $13.98, 715pp, hc, oa)
• * Legends II: Dragon, Sword, and King (Ballantine Del Rey, November 2004, 0-345-47577-1, $7.99, x+401pp, pb, oa)
• * Legends II: Shadows, Gods, and Demons (Ballantine Del Rey, November 2004, 0-345-47577-1, $7.99, x+370pp, pb, oa)
• * Legends II (Voyager, September 1, 2003, 0-00-715434-8, £18.99, 645pp, hc, oa, cover by Geoff Taylor)
• * Legends II (Ballantine Del Rey, January 2004, 0-345-45644-0, $28.95, 642pp, hc, oa)
• * Legends II (SFBC, February 2004, #61772, $14.99, 642pp, hc, oa)
• * Legends II (Voyager, February 2, 2004, 0-00-715435-6, £11.99, 645pp, tp, oa, cover by Geoff Taylor)
• * Legends II (Voyager, August 2, 2004, 0-00-715436-4, £7.99, 714pp, pb, oa, cover by Geoff Taylor)
• * Lost Worlds, Unknown Horizons (Thomas Nelson US, December 1978, 0-8407-6601-7, $6.95, 172pp, hc, an, cover by Fred Hinck)
• * The Mammoth Book of Fantasy All-Time Greats (with Martin H. Greenberg) (Robinson, June 23, 1988, 0-948164-71-9, £4.95, 431pp, tp, an, cover by Chris Achilleos)
• * The Mammoth Book of Fantasy All-Time Greats (with Martin H. Greenberg) (Robinson, June 23, 1988, 0-948164-71-9, £4.95, 431pp, tp, an)
• * Men and Machines (Meredith Press, September 1968, $4.95, xii+240pp, hc, an, cover by Barry Martin)
• * Men and Machines (Award, 1971, A765N, 95¢, 219pp, pb, an)
• * Mind to Mind (Thomas Nelson US, September 1971, 0-8407-6118-X, $5.95, 270pp, hc, an, cover by Bill Crawford)
• * Mind to Mind (Dell, February 1974, 5652, 95¢, 235pp, pb, an)
• * Mind to Mind (Wildside Press, May 2009, 978-1-4344-5513-0, $15.00, 270pp, tp, an)
• * The Mirror of Infinity: A Critics’ Anthology of Science Fiction (Harper & Row, May 1970, $6.95, xi+324pp, hc, an, cover by Fred Cantor)
• * The Mirror of Infinity: A Critics’ Anthology of Science Fiction (Canfield Press, May 1970, $3.75, xi+324pp, tp, an, cover by Fred Cantor)
• * The Mirror of Infinity: A Critics’ Anthology of Science Fiction (Sidgwick & Jackson, July 1971, 0-283-48473-X, £2.50, xi+312pp, hc, an)
• * The Mirror of Infinity: A Critics’ Anthology of Science Fiction (Perennial Library, January 1973, 0-06-080306-1, $1.50, xiv+303pp, pb, an)
• * Murasaki (with Martin H. Greenberg) (Bantam Spectra, May 1992, 0-553-08229-9, $20.00, 290pp, hc, oa, cover by Stephen Youll)
• * Murasaki (with Martin H. Greenberg) (SFBC, June 1992, #19839, $9.98, 290pp, hc, oa, cover by Stephen Youll)
• * Murasaki (with Martin H. Greenberg) (Grafton, March 29, 1993, 0-586-21445-3, £5.99, 290pp, pb, oa)
• * Murasaki (with Martin H. Greenberg) (Bantam Spectra, June 1993, 0-553-56187-1, $5.99, 377pp, pb, oa, cover by Stephen Youll)
• * Mutants (Thomas Nelson US, December 1974, 0-8407-6412-X, $6.50, 224pp, hc, an, cover by James Barry)
• * Mutants (SFBC, January 1975, #6434, $1.98, x+182pp, hc, an, cover by James Barry)
• * Mutants (Abelard Schuman UK, May 1976, 0-200-72455-X, £3.95, 224pp, hc, an, cover by James Barry)
• * Mutants (Corgi, February 1977, 0-552-10387-X, 65p, 204pp, pb, an, cover by Peter Andrew Jones)
• * Mutants (Wildside Press, March 5, 2009, 978-1-4344-5512-3, $14.99, 228pp, tp, an, cover by Jesse-lee Lang)
• * Neanderthals (with Martin H. Greenberg & Charles G. Waugh) (NAL/Signet, February 1987, 0-451-14716-2, $3.95, 351pp, pb, an, cover by Paul Van Munching)
• * The Nebula Awards #18 (Arbor House, November 1983, 0-87795-565-4, $16.95, 302pp, hc, an)
• * The Nebula Awards #18 (Bantam, September 1984, 0-553-24371-3, $2.75, 240pp, pb, an)
• * Nebula Awards Showcase 2001 (Harcourt, April 2001, 0-15-100581-8, $28.00, xv+252pp, hc, an)
• * Nebula Awards Showcase 2001 (Harvest, April 2001, 0-15-601335-5, $14.00, xv+252pp, tp, an)
• * The New Atlantis and Other Novellas of Science Fiction (Hawthorn Books, April 1975, 0-8015-5359-8, $7.95, viii+180pp, hc, oa, cover by Jorge Hernandez)
• * The New Atlantis and Other Novellas of Science Fiction (SFBC, May 1975, #1023, $2.49, vii+182pp, hc, oa, cover by Jorge Hernandez)
• * The New Atlantis and Other Novellas of Science Fiction (Warner Books, April 1976, 88-020, $1.50, 190pp, pb, oa, cover by Vincent Di Fate)
• * New Dimensions 1 (Doubleday, October 1971, $5.95, xi+246pp, hc, oa, cover by Nick Aristovulos)
• * New Dimensions 1 (Avon, August 1973, 15925, 95¢, 256pp, pb, oa)
• * New Dimensions 2 (Avon, December 1974, 0-380-00190-X, 95¢, 204pp, pb, oa, cover by Ron Walotsky)
• * New Dimensions II (Doubleday, November 1972, 0-385-09141-9, $5.95, 229pp, hc, oa, cover by Dickran Palulian)
• * New Dimensions 3 (SFBC, October 1973, #5889, $1.49, vii+212pp, hc, oa, cover by Dennis Anderson)
• * New Dimensions III (Signet, February 1974, Q5805, 95¢, vii+183pp, pb, oa, cover by Charles Moll)
• * New Dimensions IV (Signet, October 1974, 451-Y6113, $1.25, 237pp, pb, oa)
• * New Dimensions: Science Fiction: Number 5 (Harper & Row, April 1975, 0-06-013870-X, $7.95, 234pp, hc, oa)
• * New Dimensions: Science Fiction: Number 5 (SFBC, June 1975, #1145, $1.98, 211pp, hc, oa)
• * New Dimensions: Science Fiction: Number 5 (Gollancz, January 1976, 0-575-02087-3, £3.20, vi+234pp, hc, oa)
• * New Dimensions: Science Fiction: Number 5 (Perennial Library, September 1976, 0-06-080354-1, $1.95, 234pp, pb, oa)
• * New Dimensions: Science Fiction: Number 6 (Harper & Row, May 1976, 0-06-013864-5, $8.95, 247pp, hc, oa, cover by Irving Freeman)
• * New Dimensions: Science Fiction: Number 6 (Gollancz, August 12, 1976, 0-575-02173-X, £3.95, vii+247pp, hc, oa)
• * New Dimensions: Science Fiction: Number 7 (Harper & Row, April 1977, 0-06-013862-9, $8.95, vii+229pp, hc, oa)
• * New Dimensions: Science Fiction: Number 7 (Gollancz, August 1977, 978-0-575-02324-6, £4.75, vii+229pp, hc, oa)
• * New Dimensions: Science Fiction: Number 8 (Harper & Row, April 1978, 0-06-013792-4, $9.95, vii+215pp, hc, oa, cover by Neil Stuart)
• * New Dimensions: Science Fiction: Number 9 (Harper & Row, April 1979, 0-06-433336-1, $10.95, vii+212pp, hc, oa, cover by Neil Stuart)
• * New Dimensions: Science Fiction: Number 10 (Harper & Row, August 1980, 0-06-014019-4, $10.95, vii+188pp, hc, oa)
• * New Dimensions 11 (with Marta Randall) (Pocket, July 1980, 0-671-83085-6, $2.50, 224pp, pb, oa, cover by Richard Powers)
• * New Dimensions 12 (with Marta Randall) --- see under Marta Randall.
• * New Dimensions 13 (with Marta Randall) --- see under Marta Randall.
• * No Mind of Man (Hawthorn Books, September 1973, $5.95, vii+182pp, hc, oa)
• * No Mind of Man (Manor Books, 1974, 15220, $1.50, viii+182pp, pb, oa)
• * Other Dimensions (Hawthorn Books, May 1973, $5.95, ix+178pp, hc, an)
• * Other Dimensions (Pinnacle Books, September 1974, 0-523-00422-2, 95¢, ix+178pp, pb, an)
• * Robert Silverberg’s Worlds of Wonder (Warner, October 1987, 0-446-51369-5, $17.95, xiv+352pp, hc, an, cover by Stanislaw Fernandes)
• * Robert Silverberg’s Worlds of Wonder (VGSF, November 1988, 0-575-04356-3, £4.99, xiv+349pp, tp, an, cover by Terry Pastor)
• * Robert Silverberg’s Worlds of Wonder (Gollancz, November 10, 1988, 0-575-04355-5, £12.95, 349pp, hc, an, cover by Terry Pastor)
• * Robert Silverberg’s Worlds of Wonder (Warner, April 1989, 0-446-39012-7, $12.95, 352pp, tp, an)
• * Robots Through the Ages (with Bryan Thomas Schmidt) --- see under Bryan Thomas Schmidt.
• * Science Fiction: 101 (ibooks, March 2001, 0-7434-1294-X, $14.00, 544pp, tp, an)
• * Science Fiction: 101 (Penguin/Roc, May 2014, 978-0-451-46676-1, $16.00, 489pp, tp, an)
• * The Science Fictional Dinosaur (with Martin H. Greenberg & Charles G. Waugh) (Avon, February 1982, 0-380-77974-9, $2.25, 224pp, pb, an, cover by Tim Hildebrandt)
• * The Science Fiction Bestiary (Thomas Nelson US, November 1971, 0-8407-6172-4, $5.95, 256pp, hc, an)
• * The Science Fiction Bestiary (Dell Laurel, February 1974, 8139, 95¢, 251pp, pb, an, cover by Gervasio Gallardo)
• * The Science Fiction Hall of Fame (Avon, July 1971, J115, $1.50, 672pp, pb, an)
• * Science Fiction Hall of Fame, Vol. One (Sphere, 1972, 0-7221-7829-8, 40p, 349pp, pb, an)
• * Science Fiction Hall of Fame, Vol. 2 (Sphere, 1972, 0-7221-7833-6, 40p, 352pp, pb, an)
• * The Science Fiction Hall of Fame, Volume One (Doubleday, April 1970, LC:70-97691, $7.95, xi+558pp, hc, an)
• * The Science Fiction Hall of Fame, Volume One (SFBC, May 1970, #2265, $2.98, xi+558pp, hc, an, cover by Sagebrush)
• * The Science Fiction Hall of Fame, Volume One (Easton Press, 2001, xi+558pp, hc, an)
• * The Science Fiction Hall of Fame, Volume One, 1929-1964 (Tor, February 2003, 0-765-30536-4, $27.95, 560pp, hc, an, cover by Kenn Brown)
• * The Science Fiction Hall of Fame, Volume One, 1929-1964 (Orb, February 2005, 0-765-30537-2, $17.95, 560pp, tp, an, cover by Kenn Brown)
• * Science Fiction: The Best of 2001 (with Karen Haber) (ibooks, February 2002, 0-7434-3498-6, $7.99, ix+496pp, tp, an, cover by Scott Grimando)
• * Science Fiction: The Best of 2002 (with Karen Haber) (ibooks, February 2003, 0-7434-5816-8, $7.99, x+420pp, pb, an, cover by Scott Grimando)
• * Strange Gifts (Thomas Nelson US, October 1975, 0-8407-6460-X, $6.95, 206pp, hc, an, cover by Frank Alois)
• * Strange Gifts (Wildside Press, March 5, 2009, 978-1-4344-5511-6, $14.99, 208pp, tp, an, cover by Bertrand Benoit)
• * Tales from Super-Science Fiction (Haffner Press, June 2012, 978-1-893887-48-0, $32.00, xxvii+393pp, hc, an, cover by Frank Kelly Freas from Super-Science Fiction August 1957)
• * This Way to the End Times: Classic Tales of the Apocalypse (Three Rooms Press, October 2016, 978-1-941110-47-8, $19.95, xvii+452pp, tp, an, cover by A. V. Flores)
• * Threads of Time (Thomas Nelson US, July 1974, 0-8407-6402-2, $6.50, 219pp, hc, oa, cover by Ned Glattauer)
• * Threads of Time (SFBC, August 1974, #6259, $1.49, 219pp, hc, oa, cover by Ned Glattauer)
• * Threads of Time (Millington, January 1976, 0-86000-051-6, £3.50, 219pp, hc, oa, cover by W. F. Phillipps)
• * Threads of Time (Fontana, October 1977, 0-00-614614-7, 75p, 207pp, pb, oa, cover by Peter Goodfellow)
• * Three for Tomorrow --- see under Anon..
• * Three Trips in Time and Space (Hawthorn Books, January 1973, $5.95, ix+193pp, hc, oa, cover by Ivan Seresin)
• * Three Trips in Time and Space (Dell, February 1974, 8827, 95¢, 235pp, pb, oa, cover by Paul Lehr)
• * Time Gate (with Bill Fawcett) (Baen, December 1989, 0-671-69850-8, $3.95, 277pp, pb, oa, cover by David Mattingly)
• * Time Gate Vol. 2: Dangerous Interfaces (Baen, October 1990, 0-671-72017-1, $3.95, 296pp, pb, oa, cover by David B. Mattingly)
• * Time Probe --- see under Arthur C. Clarke.
• * The Time Travelers: A Science Fiction Quartet (with Martin H. Greenberg) (Donald I. Fine, April 1985, 0-917657-34-9, $16.95, 284pp, hc, an)
• * The Time Travelers: A Science Fiction Quartet (with Martin H. Greenberg) (Primus, May 1986, 0-917657-66-7, $3.95, 284pp, pb, an)
• * Tomorrow’s Worlds (Meredith Press, March 1969, LC:69-16298, $4.95, xiii+234pp, hc, an)
• * Tomorrow’s Worlds (Award Books, 1970, A793N, 95¢, 187pp, pb, an)
• * To the Stars (Hawthorn Books, February 1971, LC:76-132555, $5.95, xii+255pp, hc, an, cover by Judith Lerner)
• * Triax (Pinnacle, December 1977, 0-523-40121-3, $1.95, viii+214pp, pb, oa, cover by Randy Weidner)
• * Triax (Fontana, March 1979, 0-00-615423-9, 85p, 188pp, pb, oa, cover by Justin Todd)
• * Trips in Time (Thomas Nelson US, September 1977, 0-8407-6574-6, $6.95, 174pp, hc, an, cover by Mike Eagle)
• * Trips in Time (SFBC, October 1977, #1574, $1.98, 152pp, hc, an, cover by Mike Eagle)
• * Trips in Time (Robert Hale, September 1979, 0-7091-7557-4, £4.35, vii+174pp, hc, an)
• * Trips in Time (Wildside Press, September 2009, 978-1-4344-0446-6, $14.99, 162pp, tp, an)
• * The Ultimate Dinosaur (with Byron Preiss) --- see under Byron Preiss.
• * Universe 1 (with Karen Haber) (Doubleday Foundation, April 1990, 0-385-26771-1, $8.95, 449pp, tp, oa, cover by Richard Kriegler)
• * Universe 1 (with Karen Haber) (Bantam Spectra, April 1991, 0-553-28924-1, $4.95, 449pp, pb, oa, cover by Richard Kriegler)
• * Universe 2 (with Karen Haber) (Bantam Spectra, March 1992, 0-553-35123-0, $10.00, 397pp, tp, oa, cover by Jean-Francois Podevin)
• * Universe 3 (with Karen Haber) (Bantam Spectra, April 1994, 0-553-56580-X, $5.99, 419pp, pb, oa, cover by Michael David Ward)
• * Voyagers in Time (Meredith Press, September 1967, LC:67-20857, $4.95, xii+243pp, hc, an, cover by Barry Martin)
• * Voyagers in Time (Tempo, July 1970, 5344, 95¢, xi+208pp, pb, an)
• * Voyagers in Time (Bart, April 1989, 1-55785-097-6, $3.50, xi+208pp, pb, an, cover by F. Rubio)
• * Windows Into Tomorrow (Hawthorn Books, January 1974, LC:73-10639, $6.95, x+197pp, hc, an, cover by Michelle Horowitz)
• * Windows Into Tomorrow (Pinnacle Books, January 1975, 0-523-00520-2, $1.25, x+197pp, pb, an)
• * The Winning of Mickey Free by W. R. Burnett --- see under W. R. Burnett.
• * Worlds Imagined (with Martin H. Greenberg) (Avenel, April 1989, 0-517-68029-7, $8.98, 704pp, hc, an)
• * Worlds of Maybe (Thomas Nelson US, November 1970, 0-8407-6104-X, $4.95, 256pp, hc, an)
• * Worlds of Maybe (Dell Laurel-Leaf, November 1974, 8603, 95¢, 208pp, pb, an, cover by Larry Kresek)
• * You Will Never Be the Same by Cordwainer Smith --- see under Cordwainer Smith.