Codes and ciphers / Adrian Gilbert.

Author: Gilbert, Adrian.

Imprint:Buffalo, N.Y. : Firefly Books, 2009, c2008.

Physical Description32 p. : ill. (some col.) ; 30 cm.

Note:Originally published: Laguna Hills, CA : QEB Pub., c2008.

Note:Includes index.

Note:Discusses the difference between codes and ciphers, common codes and ciphers that have been used, the challenges involved in code breaking, and how to create simple ciphers.

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