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The Cryptoclub by Janet Beissinger, Vera Pless. Title The Cryptoclub. Author Janet Beissinger, Vera Pless. Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings.
The Cryptoclub: Using Mathematics to Make and Break Secret Codes by Beissinger, Janet; Pless, Vera Pages are clean and are not marred by notes or folds of any kind. ~ ThriftBooks: Read More, Spend Less
It was printed in 2006. The pictures show the exact book you will receive!
You will find that this activity book includes both color and black-and-white pages.
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