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Codes and Ciphers : Clever Devices for Coding and Decoding to Cut Out and Make
by Gerald Jenkins and Magdalen Bear




Overview -
Make this collection of seven ingenious paper gadgets which introduce and explain many of the concepts used in cipher machines. Decode the secret messages and then start to understand how cryptographers try to protect information from prying eyes. See also how cryptanalysts set about breaking such codes and ciphers. A substantial minibook explains the principles of codebreaking, and includes the story of the Enigma machine and Bletchley Park.

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More About Codes and Ciphers by Gerald Jenkins; Magdalen Bear

 
 
 

Overview

Make this collection of seven ingenious paper gadgets which introduce and explain many of the concepts used in cipher machines. Decode the secret messages and then start to understand how cryptographers try to protect information from prying eyes. See also how cryptanalysts set about breaking such codes and ciphers. A substantial minibook explains the principles of codebreaking, and includes the story of the Enigma machine and Bletchley Park.


This item is Non-Returnable.

 

Details

  • ISBN-13: 9781899618538
  • ISBN-10: 1899618538
  • Publisher: Tarquin Group
  • Publish Date: June 2002
  • Page Count: 32
  • Reading Level: Ages 8-14
  • Dimensions: 11.66 x 8.32 x 0.18 inches
  • Shipping Weight: 0.38 pounds


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