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Mysterious Messages: A History of Codes and Ciphers
Mysterious Messages A History of Codes and Ciphers
Author: Gary Blackwood
History’s amazing secrets and codes—and how to crack them yourself. This fascinating look at history’s most mysterious messages is packed with puzzles to decode and ciphers that kids can use themselves. Here are the encrypted notes of Spartan warriors, the brilliant code-crackers of Elizabeth I, secret messages of the American Revolution, spy bo...  more »
ISBN-13: 9780525479604
ISBN-10: 0525479600
Publication Date: 10/29/2009
Pages: 144
Reading Level: Ages 9-12
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Publisher: Dutton Juvenile
Book Type: Hardcover
Other Versions: Paperback
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