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

"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...

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Thirty Days Has September: Cool Ways To Remember Stuff

Packaged like the New York Times bestselling "Best at Everything" series, this informative guide is full of tips and tricks for remembering everything from math and spelling rules to tricky science, history, and geography facts. A lovely gift from parent to child and a perfect learning companion to help any student who has ever struggled to remember his multiplication tables, the spelling of the word "Mississippi," or the names of the planets. ..

Features:

• ISBN13: 9780545107402
• Condition: New
• Notes: BUY WITH CONFIDENCE, Over one million books sold! 98% Positive feedback. Compare our books, prices and service to the competition. 100% Satisfaction Guaranteed

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