Fun with Codes and Ciphers Workbook

Front Cover
Courier Corporation, 1987 - Juvenile Nonfiction - 43 pages
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Fascinating, fun-filled book tells how to write and decipher coded messages. Easy-to-follow directions let even young beginners become experts in backward ciphers, false word division, null ciphers and more. Workbook includes ample space for decoding 68 secret messages. Solutions at end of book.
 

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Contents

Easy Transposition Ciphers
2
More Null Ciphers
8
Route Transpositions
14
More Easy Substitution Ciphers
20
Easy Telephone Ciphers
26
The Checkerboard Cipher
32
More Codes
38
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