Making Secret Codes
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Based on 16 Ratings and 3 Reviews |
Book Description
Throughout history, army generals, spies, and even scientists have guarded information through secret codes. Find out how they did it and learn how to create your own secret codes. You and your friends can share secrets that will leave everyone else scratching their heads.
Book Information
Publisher | Capstone Press |
Binding | Library Binding (2 editions) |
Reading Level | Ages 9-12 |
# of Pages | 32 |
ISBN-10 | 1429645679 |
ISBN-13 | 978-1429645676 |
Publication Date | 08/01/2010 |
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