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Top Secret Code Book

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Product Description

Everything there is to know about making and breaking the cleverest of codesWith the help of this book, readers will soon by communicating with their friends in secret languages such as Morse, semaphore, pigpen code, shorthand, and sign language. They will learn how to make a code wheel, create invisible ink, and even get a message to a friend who is right at the other end of the playground. There are also plenty of activities to help improve code-breaking skills. Just make sure to keep all new code skills top secret.