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Thorough, systematic introduction to serious cryptography, especially strong in modern forms of cipher solution used by experts. Nihilist, grille, U. S. Army, key-phrase, multiple-alphabet, Gronsfeld, Porta, Beaufort, periodic ciphers, and more. Simple and advanced methods. 166 specimens to solve with solutions."

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Product details

  • Paperback | 230 pages
  • 136 x 214 x 14mm | 358.34g
  • Dover Publications Inc.
  • New York, United States
  • English
  • 0486200973
  • 9780486200972
  • 109,802

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