Making Secret Codes (Edge Books)
Book Details
Author(s)Jillian Gregory
PublisherCapstone Press
ISBN / ASIN1429645679
ISBN-139781429645676
AvailabilityUsually ships in 24 hours
CategoryJuvenile Nonfiction
MarketplaceUnited States 🇺🇸
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.
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