Codes and Ciphers: Secret Writing Through the Ages

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Abelard-Schuman, 1964 - Juvenile Nonfiction - 152 pages
A romantic and practical history from ancient to modern times. Includes cipher messages with answers at the back of the book.

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Contents

Authors Note
11
Code and the Invasion of Europe Cipher and the
19
Early Ciphers and Cryptographers Caesars Cipher
26
Copyright

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