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Making Secret Codes (Hardcover)

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Product Overview

"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."

Specifications

Publisher Edge Books
Mfg Part# 9781429645676
SKU 214956331
Format Hardcover
ISBN10 1429645679
Release Date 8/1/2010
Product Attributes
Book Format Hardcover
Minimum Age 08
Number of Pages 0032
Publisher Edge Books
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