Codes and Codebreaking (Spies and Spying) by Andrew Langley

Codes and Codebreaking (Spies and Spying)

Andrew Langley
32 pages
A+/Smart Apple Media
Aug 2009
Library Binding
Ages 9-12 WSBN
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Readers learn about the complex codes that have been used throughout the ages to send cryptic messages, some of which have started wars and some of which have saves lives. This science is still in use and under constant development even today. Includes color and historical photographs, spy profiles, recommended books and web sites, table of contents, glossary, and index. 32 pages.
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About this book
Pages 32
Publisher A+/Smart Apple Media
Published 2009
Readers 0