The Six Unsolved Ciphers: Inside the Mysterious Codes That Have Confounded the W
12,37 €
The Six Unsolved Ciphers: Inside the Mysterious Codes That Have Confounded the World's Greatest Cryptographers. Now, "The Seven Unsolved Ciphers" brings to life the amazing stories and fascinating structures of the secret codes that have stubbornly resisted the efforts of the world's best code-breakers and most powerful decryption software.
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