Addison Cooke and the...
Jonathan W Stokes
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Codes, Ciphers and Secret...
Martin Gardner
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Hidden in Plain View: A...
Jacqueline Tobin,
Raymond G Dobard
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The Mathematics of Secrets:...
Joshua Holden
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How I Became a Spy: A Mystery...
Deborah Hopkinson
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The Cryptos Conundrum
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Enigma: The Battle for the...
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Unsolved!: The History and...
Craig P Bauer
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Dunwich
Peter Levenda
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Secret History: The Story of...
Craig P Bauer
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The Hunt for the Missing Spy
Penny Warner
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The Lovecraft Code
Peter Levenda
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The Essential Turing: Seminal...
Alan Mathison Turing,
B Jack Copeland (Editor)
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The Cipher
John C Ford
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Mysterious Messages: A...
Gary Blackwood
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Mr. Summerling's Secret Code ...
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Tim Budgen (Illustrator)
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The Mummy's Curse
Penny Warner
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The Mysterious Code
Kathryn Kenny
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Every Wicked Man
Steven James
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The Semper Sonnet
Seth Margolis
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Blades of the Old Empire
Anna Kashina
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A Material History of...
Katherine Ellison (Editor),
Susan Kim (Editor)
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Mathematical Recreations and...
W W Rouse 1850-1925 Ball
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Cryptanalysis : a study of...
Helen Fouché Gaines
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