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Juvenile Nonfiction, Games & Activities, Puzzles, Language Arts, Language Arts & Disciplines, Communication Studies, Reference, Questions & Answers, Signs & Symbols
Codes, Ciphers and Secret Writing by Martin Gardner β€” book cover

Codes, Ciphers and Secret Writing

by Martin Gardner
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Synopsis

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 space. 45 diagrams.

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Book Details

Publisher
Simon and Schuster
Pages
96
Format
Other
ISBN
9780671652012

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