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  $7.99
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This title in other formats:Top Secret: A Handbook of Codes, Ciphers and Secret Writingby Paul B. Janeczko
Synopses & ReviewsPublisher Comments: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. Pssst! Inside these Top Secret files is everything sneaky young agents need to know about making — and breaking — their own secret codes. Review:"Janeczko discusses numerous codes that have been used throughout history, from Morse code and semaphore to examples of code usage, such as the 'Beale cipher,' a still-unsolved mystery regarding the location of treasure supposedly buried in the mid 1800s." Publishers Weekly Review:"Declaration of truth in reviewing: I have never wanted to make a code in my entire life. Truth of reading experience: This book made me want to start my own codemaker's field kit....This book could convert the unconverted, and for those singers in the choir, it offers months of fun." Chicago Tribune Review:"For all those kids who love a good puzzle, Janeczko provides tips on making and breaking codes — and throws in lots of exercises for practice." Washington Parent Review:"Janeczko gives aspiring codemakers and codebreakers everything they need for staging their own information exchanges....Fascinating historical anecdotes keep things lively, as do LaReau's stylish black-and-white illustrations." Booklist Synopsis:This practical field guide contains everything a young person needs to know about the art of concealment: making and breaking codes, mastering cipher systems, experimenting with secret writing, and making--and breaking--their own secret codes. Illustrations. What Our Readers Are SayingBe the first to add a comment for a chance to win!Product Details
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