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Mysterious messages [electronic resource] : A History of Codes and Ciphers. Gary Blackwood.

Blackwood, Gary. (Author).
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Electronic resources

Record details

  • ISBN: 9781101151013 (electronic bk)
  • Physical Description: 1 online resource
  • Date Published: 2009.

Content descriptions

Summary, etc.: 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 books of the Civil War, the famous Enigma Machine, and the Navajo code talkers. As computers change the way we communicate, codes today are more intriguing than ever.From invisible ink to the CIA, this exciting trip through history is a hands-on, interactive experience— so get cracking!
Target Audience Note: Text Difficulty 5 - Text Difficulty 8
MG/Middle grades (4th-8th)
9.5 ATOS Level
Reproduction Note: Electronic reproduction. New York : Dutton Books for Young Readers, 2009. Requires OverDrive Read (file size: N/A KB) or Adobe Digital Editions (file size: 10884 KB) or Amazon Kindle (file size: N/A KB).
Subject: Juvenile Nonfiction.
History.
Technology.
Genre: Electronic books.

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