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Schwartz, Ella

Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography

118 pp. | Bloomsbury | March, 2019 | Trade ISBN 978-1-68119-514-8 $21.99 | Ebook ISBN 978-1-68119-989-4
(3) 4-6 Illustrated by Lily Williams. This very readable overview of cryptography throughout world history explains how different codes and ciphers work, moving from more basic examples (Caesar substitution, keyword cipher, pigpen cipher) to complicated encryption techniques (Nazi Enigma machines). Schwartz neatly weaves in math content and historical context, and she gives readers the chance to practice their deciphering skills. Final sections address cyber-security and hackers. Black-and-white illustrations and photographs are included. Bib., ind.
Reviewer: Tanya D. Auger

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