Fun with Codes and Ciphers Workbook

Fun with Codes and Ciphers Workbook PDF Author: Norma Gleason
Publisher: Courier Corporation
ISBN: 9780486254050
Category : Juvenile Nonfiction
Languages : en
Pages : 54

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Book Description
Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.