A History of Codes and CiphersBook - 2009
Provides an overview of various types of codes that were used throughout history to send secret messages, including those used by Spartan warriors, Elizabeth I, Navajo Code talkers, and Cold War spies.
Publisher: New York : Dutton Children's Books, 2009
Edition: 1st ed
Branch Call Number: J 652.8 BLA
Characteristics: 170 p. : ill. ; 21 cm
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