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Codes, Ciphers and Secret Writing (Paperback)

| Dover Pubns | 10/1/1984

ISBN-10 : 0486247619   ISBN-13 : 9780486247618   List Price : $5.95

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Overview

"A fascinating, challenging book." ??A. L. A. Booklist. Experiment with cryptography ? the science of secret writing. Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks...even invisible writing and sending messages through outer space. Hours of intrigue and challenge. 45 diagrams.

Product Details

  • ISBN-10: 0486247619
  • ISBN-13: 9780486247618
  • Binding: Paperback
  • Language: English
  • Pages: 96
  • Dimensions: 5.51 (w) x 8.50 (h) x 0.24 (d)