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Break the Code

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About

Break the Code Synopsis

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.

About This Edition

ISBN: 9780486291468
Publication date:
Author: Bud Johnson
Publisher: Dover Publications an imprint of Dover Publications Inc.
Format: Paperback
Pagination: 71 pages
Series: Dover Children's Activity Books
Genres: Children's and Young Adult Fiction

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