Can you crack the code?

"Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics beh...

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Bibliographic Details

Main Author:	Schwartz, Ella, 1974- (Author)
Other Authors:	Williams, Lily (illustrated.)
Format:	Books Print Book
Language:	English
Published:	New York : Bloomsbury, [2019]
Subjects:	Ciphers > Juvenile nonfiction. Ciphers > History > Juvenile nonfiction. Cryptography > Juvenile nonfiction. Cryptography > History > Juvenile nonfiction.
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