| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1946 | v1 #1 Jul |
v1 #2 Sep |
v1 #3 Nov |
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| 1947 | v2 #1 Jan |
v2 #2 Mar |
v2 #3 May |
v2 #4 Jul |
v2 #5 Sep |
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Mammoth Detective was the older of the two mystery-detective pulp magazines published by Ziff-Davis, and weighed in initially with a massive 322 pages per issue and a planned monthly schedule. However the paper shortages during the war forced an irregular schedule closer to quarterly and a reduction in page count to 178 pages. After the war it briefly attained a monthly schedule but by then the writing was on the wall and it folded in late 1947 after a total of 33 issues.
Publishers: Ziff-Davis Publishing Co.; 540 North Michigan Avenue, Chicago, IL.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1942 | v1 #1 May |
v1 #2 Sep |
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| 1943 | v2 #1 Jan |
v2 #2 Mar |
v2 #3 May |
v2 #4 Aug |
v2 #5 Nov |
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| 1944 | v3 #1 Feb |
v3 #2 May |
v3 #3 Aug |
v3 #4 Nov |
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| 1945 | v4 #1 Feb |
v4 #2 May |
v4 #3 Aug |
v4 #4 Nov |
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| 1946 | v5 #1 Jan |
v5 #2 Mar |
v5 #3 May |
v5 #4 Jul |
v5 #5 Aug |
v5 #6 Sep |
v5 #7 Oct |
v5 #8 Nov |
v5 #9 Dec |
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| 1947 | v6 #1 Jan |
v6 #2 Feb |
v6 #3 Mar |
v6 #4 Apr |
v6 #5 May |
v6 #6 Jun |
v6 #7 Jul |
v6 #8 Aug |
v6 #9 Sep |
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Mammoth Mystery was the second mystery-detective pulp magazine published by Ziff-Davis, appearing three years after Mammoth Detective. It weighed in initially with a massive 274 pages per issue but was hit by the paper shortages during the war and shrank to 178 pages. No other issues were published in Volume 1, as confirmed by notice filed in copyright office.
Publishers: Ziff-Davis Publishing Co.; 540 North Michigan Avenue, Chicago, IL.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1945 | v1 #1 Feb |
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| 1946 | v2 #1 Jan |
v2 #2 Mar |
v2 #3 Jun |
v2 #4 Aug |
v2 #5 Oct |
v2 #6 Dec |
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| 1947 | v3 #1 Feb |
v3 #2 Apr |
v3 #3 Jun |
v3 #4 Aug |
v3 #5 Oct (unpublished) |
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1935 | v1 #1 Nov |
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1945 | v1 #1 Sep |
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| 1946 | v2 #1 Jan |
v2 #2 Apr |
v2 #3 Jun |
v2 #4 Aug |
v2 #5 Oct |
v2 #6 Dec |
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| 1947 | v3 #1 Feb |
v3 #2 Apr |
v3 #3 Jun |
v3 #4 Aug |
v3 #5 Oct |
v3 #6 Nov |
v3 #7 Dec |
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| 1948 | v4 #1 Jan |
v4 #2 Feb |
v4 #3 Mar |
v4 #4 Apr |
v4 #5 May |
v4 #6 Jun |
v4 #7 Jul |
v4 #8 Aug |
v4 #9 Sep |
v4 #10 Oct |
v4 #11 Nov |
v4 #12 Dec |
|
| 1949 | v5 #1 Jan |
v5 #2 Feb |
v5 #3 Mar |
v5 #4 Apr |
v5 #5 May |
v5 #6 Jun |
v5 #7 Jul |
v5 #8 Aug |
v5 #9 Sep |
v5 #10 Oct |
v5 #11 Nov |
v5 #12 Dec |
|
| 1950 | v6 #1 Jan |
v6 #2 Feb |
v6 #3 Mar |
v6 #4 Apr |
v6 #5 May |
v6 #6 Jun |
v6 #7 Jul |
v6 #8 Aug |
v6 #9 Sep |
v6 #10 Oct |
v6 #11 Nov |
v6 #12 Dec |
|
| 1951 | v7 #1 Jan |
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