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The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography by Simon Singh
$10.85
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Elementary Cryptanalysis: A Mathematical Approach (New Mathematical Library) by Abraham Sinkov
$27.86
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The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times to the Internet by David Kahn
$44.10
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Cryptography: The Science of Secret Writing by Laurence D. Smith
$8.95
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Codes, Ciphers, Secrets and Cryptic Communication: Making and Breaking Secret Messages from Hieroglyphs to the Internet by Fred B. Wrixon
$13.57
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