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Codes, Ciphers and Spies
Language: en
Pages: 284
Authors: John F. Dooley
Categories: Science
Type: BOOK - Published: 2016-03-31 - Publisher: Springer

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When the United States declared war on Germany in April 1917, it was woefully unprepared to wage a modern war. Whereas their European counterparts already had t
Spy Codes and Ciphers
Language: en
Pages: 52
Authors: Susan K. Mitchell
Categories: Juvenile Nonfiction
Type: BOOK - Published: 2012-01-01 - Publisher: Enslow Publishing, LLC

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"Discusses different methods of secret communications used by spies, such as Morse code, the Enigma machine, the Najavo language, and digital steganography, and
Codes, Ciphers and Secret Writing
Language: en
Pages: 100
Authors: Martin Gardner
Categories: Juvenile Nonfiction
Type: BOOK - Published: 1984-01-01 - Publisher: Courier Corporation

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Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
The Spy's Guide to Secret Codes and Ciphers
Language: en
Pages: 52
Authors: Jim Wiese
Categories: Juvenile Nonfiction
Type: BOOK - Published: 2002 - Publisher:

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Secret Codes and Ciphers.
Secret Code Book: Substitution Ciphers
Language: en
Pages: 58
Authors: John Redden
Categories: Education
Type: BOOK - Published: 2017-09-02 - Publisher: Lulu.com

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The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up