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Secret Messages : Collection of Puzzles Using Codes and Ciphers

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A light-hearted dash through the history of cryptography with messages, jokes and riddles to encipher and decipher.

In addition, there are ingenious gadgets to make which help with the solutions to some of the puzzles.

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Product Details
Tarquin Publications
0906212782 / 9780906212783
Paperback / softback
652.8
01/10/1990
United Kingdom
50 pages, 2col.ill.
Children / Juvenile Learn More