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Description

This text presents a collection of cryptograms & other enciphered challenges to satisfy various levels of puzzle aficionado. It features over 600 puzzles, from the simple substitution-code type - where each letter stands for another - to difficult ciphers using actual wartime methods employed by historic figures.

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Product Details

  • Apr 27, 2006 Pub Date:
  • 9781845293253 ISBN-13:
  • 1845293258 ISBN-10:
  • English Language