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Mathematical Recreations and...
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Code Cracking for Kids:...
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Unsolved!: The History and...
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The Devil Colony: A SIGMA...
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How We Think: Digital Media...
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The Mathematics of Secrets:...
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The Original Code in the...
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Dunwich
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Games with Codes and Ciphers
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The Mummy's Curse
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The Essential Turing: Seminal...
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Cryptanalysis : a study of...
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