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

Amazon.com Price: $5.99 (as of 25/04/2019 07:37 PST- Details)

Categories: Activities, Crafts and Games, Books, Children's Books, Education and Reference, Games, History, Mathematics, Military and Wars, Puzzles, Reference, Science and Math, Subjects

Description
Amazon Customer Reviews

Description

“The writer’s upbeat, positive tone is refreshing and his enthusiasm about his topic is contagious.” — SCHOOL LIBRARY JOURNAL (starred review)

Pssst! Are you aware the difference between a code and a cipher? Are you able to tell a St. Cyr slide from a Cardano grille? Were you aware that the invention of a substitution cipher caused Mary Queen of Scots to lose her head? Don’t look now, but packed into this practical field guide is the whole thing a teenager needs to understand concerning the art of concealment – making and breaking codes, mastering cipher systems, and experimenting with secret writing. Offering quite a lot 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.
Back matter includes suggestions for further reading, an writer’s note, an answer key, and an index.

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