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School Library Journal
Reviewed on November 22, 2019 | Nonfiction
Gr 3–8—Codes and hidden messages can be used for everything from playground games to the protection of government secrets. Daigneau simplifies the long history of code-making for a younger audience, from decoding the Rosetta Stone to understanding how documents in cybersecurity contribute to user safety. The book is easy to unde...Log In or Sign Up to Read More