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Break the Code

Break the Code

Cryptography for Beginners

by Bud Johnson
Paperback
Age range: 8+ years old Publication Date: 01/02/2000

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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.

ISBN:
9780486291468
9780486291468
Category:
Puzzle books (Children's / Teenage)
Age range:
8+ years old
Format:
Paperback
Publication Date:
01-02-2000
Language:
English
Publisher:
Dover Publications Inc.
Country of origin:
United States
Pages:
84
Dimensions (mm):
280x210x7mm
Weight:
0.23kg

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