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Emily Bone

Over 50 Secret Codes

Paperback (Usborne Publishing Ltd March 1, 2015)

Paperback edition of a successful card pack format, that will unleash the inner code-breaker in all of us! Contains a combination of codes such as Semaphore and Morse code, as well as historical codes including the "Grid code" used in the American Civil War and Ancient Egyptian hieroglyphics and traditional codes such as number replacement and alphabet switching codes.

ISBN
1409584615 / 9781409584612
Pages
112
Weight
6.4 oz.
Dimensions
7.8 x 0.4 in.

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