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 Mystery Book Magazine started life as a high quality digest magazine that achieved very positive reviews, but disappointing sales. It started as a monthly in 1945, dropped back to a bi-monthly in schedule in 1947 and then in August 1947 dropped to a quarterly schedule and changed to a pulp format. After three years, with its fortunes failing, it changed its name dramatically to Giant Detective but folded after a mere two issues under that name. | 
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 Details supplied by John Locke. |   | 
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 Details supplied by Darren Heil. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 Details supplied by John Locke. |   | 
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 There was no issue numbered v5 #4. Details taken from Table of Contents. |   | 
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 Details taken from Table of Contents. |   | 
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 Details supplied by Morgan Wallace. |   | 
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 Details taken from Table of Contents. |   | 
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 Second issue dated Spring 1949. Details taken from Table of Contents. |   | 
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 Details taken from Table of Contents. |   | 
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 Details taken from Table of Contents. |   | 
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 Details taken from Table of Contents. |   | 
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 Details supplied by Gary Garner. |   | 
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 Title changed from Mystery Book Magazine. | 
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 Details taken from Table of Contents. |   | 
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 Details supplied by Monte Herridge. |   | 
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 Canadian reprint edition of Mystery Book Magazine. Number of issues published not known. | 
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 Identical contents to the US issue of the same date. Details taken from eBay listing. |   | 
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 Title changed from Mystery Book Magazine (Canada). | 
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 Issue partially indexed - probably identical contents to the US issue of the same date. |   | 
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 Issue partially indexed - probably identical contents to the US issue of the same date. |   | 
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 Short-lived magazine featuring fiction, non-fiction, contests, news, gossip. Published in the late 1990s, but number and dates of issues not known. | 
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 This issue is subtitled “Private Eyes”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Thieves”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “The Chase Begins”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Sins of the Father”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Crime in the Countryside”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Passionate Crimes”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Long Ago”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “The Contract”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Always with Us”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Black Widows”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Cozy Sidekicks”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Cold Cases”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “The Hunt”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Blood on the Tracks”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Library Cases”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Winter Mysteries”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Betrayal”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Stolen Cars”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Cooking Up Crime”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Extreme Weather”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Innocent Bystanders”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “White Collar Crimes”. Details taken from Table of Contents. |   | 
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 This issue is subtitled “Coffee House Capers”. Details taken from Table of Contents. |   |