Top Secret: A Handbook of Codes, Ciphers and Secret Writing - medicalbooks.filipinodoctors.org

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

Brand: Candlewick Press
Manufacturer: Candlewick
ISBN 0763629723
EAN: 9780763629724
Category: #127371 in Paperback (Military & Wars)
List Price: $11.99
Price: $10.89  (Customer Reviews)
You Save: $1.10 (9%)
Dimension: 9.06 x 7.19 x 0.37 inches
Shipping Wt: 0.54 pounds. FREE Shipping (Details)
Availability: In Stock
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Product Description

"The author's upbeat, positive tone is refreshing and his enthusiasm about his topic is contagious." — School Library Journal (starred review)

Pssst! 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 the discovery 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 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. Back matter includes suggestions for further reading, an author’s note, an answer key, and an index.

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