Overview
A fascinating look at history's most mysterious messages, packed with puzzles to decode and ciphers that children can use themselves. Includes the encrypted notes of Spartan warriors, the brilliant code-crackers of Elizabeth I, secret messages of the...The book, Mysterious Messages: A History of Codes and Ciphers [Bulk, Wholesale, Quantity] ISBN# 9780525479604 in Hardcover by Blackwood, Gary L. may be ordered in bulk quantities. Minimum starts at 25 copies. Availability based on publisher status and quantity being ordered.
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