4363822
9781579124854
Learn about the fascinating world of codes - from deciphering ancient hieroglyphics to the cipher machines used in wartime and the computer cryptology for encoding financial transactions.Wrixon, Fred B. is the author of 'Codes, Ciphers & Other Cryptic & Clandestine Communication Making and Breaking Secret Messages from Hieroglyphs to the Internet' with ISBN 9781579124854 and ISBN 1579124852.
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