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Break the Code: Cryptography for Beginners

Break the Code: Cryptography for Beginners

By: Bud Johnson

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  • Reg. Price › $5.99
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Veteran cryptographer's simply and clearly written how-to book provides youngsters 8 and up with all the information needed to decipher 56 secret messages. Funny cartoons and easy-to-follow instructions explain how to break six different codes, including simple letter grouping, reverse trail, shift code, key word code, date shift code and twisted path code. Examples and solutions.

Dover Original.
AvailabilityUsually ships in 24 to 48 hours
ISBN 100486291464
ISBN 139780486291468
Author/EditorBud Johnson
Grade level3 - 12 (ages 8 - 18)
Page Count84
Dimensions8 1/4 x 11

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