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9780486247618

Codes, Ciphers and Secret Writing
Codes, Ciphers and Secret Writing
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  • ISBN-13: 9780486247618
  • ISBN: 0486247619
  • Publication Date:
  • Publisher: Dover Publications, Incorporated

AUTHOR

SUMMARY

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.Gardner, Martin is the author of 'Codes, Ciphers and Secret Writing', published 1984 under ISBN 9780486247618 and ISBN 0486247619.

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