Codes, Ciphers and Secret Writing

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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.
LF/418584/R
Характеристики
- ФІО Автора
- Martin Gardner
- Мова
- Англійська
- Серія
- Test Your Code Breaking Skills
- ISBN
- 9780486247618
- Дата виходу
- 1984