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Top Secret: A Handbook of Codes, Ciphers, and Secret Writing
Top Secret A Handbook of Codes Ciphers and Secret Writing
Author: Paul B. Janeczko
Pssst! Inside these TOP SECRET files is everything sneaky young agents need to know about making-and breaking-their own secret codes. — Do you know the difference between a code and a cipher? Can you tell a St. Cyr slide from a Cardano grille? Did you know that a substitution cipher caused Mary Queen of Scots to lose her head? Don’t look...  more »
ISBN-13: 9781439564295
ISBN-10: 1439564299
Publication Date: 10/15/2008
Pages: 136
Edition: Reprint
Reading Level: Ages 9-12
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Book Type: Library Binding
Other Versions: Paperback, Hardcover
Members Wishing: 1
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