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Loading... Fun with Codes and Ciphers Workbookby Norma Gleason
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Amazon.com Product Description (ISBN 0486254054, Paperback)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. (retrieved from Amazon Fri, 24 Apr 2009 07:57:53 -0400) The first test round has been closed. Visit the Open Shelves Classification group for details. |
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