Top Secret: A Handbook of Codes, Ciphers, and Secret Writing

Top Secret: A Handbook of Codes, Ciphers, and Secret Writing
Artist/Author/Cast: 
Janeczko, Paul B.; LaReau, Jenna (Illustrator)
ISBN: 
0763609714

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 now, but packed into this practical field guide is everything a young person needs to know about the art of concealment -- making and breaking codes, mastering cipher systems, and experimenting with secret writing. Offering plenty of hands-on practice sessions, tips for creating a code-making kit, sidebars on secret codes in history, and an amusing pair of spies to illustrate techniques, Paul B. Janeczko's tantalizing TOP SECRET won't stay a secret for long.

Description: 

A handbook for the budding cryptographer including codes and ciphers, invisible inks, concealment techniques, spy stories, and more.

This item appears in the following Booklists:
Call Number: 
J652.8 J336t 2003

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