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Codes, Ciphers...
Codes, Ciphers and Secret Writing

Codes, Ciphers and Secret Writing

Author:

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.
Book Infochevron down
Ages: 11-12
Read time: 2-3 hours
AR LEVEL: N/A
LEXILE©: N/A
Ages: 11-12
Read time: 2-3 hours

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