Code cracking for kids : secret communications throughout history, with 21 codes and ciphers
People throughout history have written messages in code and ciphers to guard and pass along closely held secret information. Today, countries around the world enlist cryptanalysts to intercept and crack messages to keep our world safe. Code Cracking for Kids explores many aspects of cryptology, incl...
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Format: | EBOOK |
Language: | ENGLISH |
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Chicago Review Press
2019
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