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9780613841269
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It's known as the science of secrecy. Cryptography: the encoding and decoding of private information. And it is history's most fascinating story of intrigue and cunning. From Julius Caesar and his Caesar Cipher to the code used by Mary Queen of Scots andSingh, Simon is the author of 'Code Book: How To Make It, Break It, Hack It, Crack It' with ISBN 9780613841269 and ISBN 0613841263.
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