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TECHNOLOGY
Blackwood, Gary

Mysterious Messages: A History of Codes and Ciphers

170 pp. | Dutton | October, 2009 | Trade ISBN 978-0-525-47960-4 $16.99
(3) 4-6 Blackwood presents an engaging look at code development and usage. The text begins with the ancient Greeks and other ancient cultures then moves through early Western history to the World Wars to today and beyond. The well-organized information, including specific examples (some effectively illustrated with black-and-white drawings), will inspire readers to follow the models and maybe even create their own codes. Reading list, websites. Bib., glos., ind.
Reviewer: Beth L. Meister

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