Codebreaker: The History of Secret Communication by Mark Frary, Stephen Pincock

Codebreaker: The History of Secret Communication

Mark Frary, Stephen Pincock

176 pages • first pub 2006 (editions)

nonfiction history mathematics science informative medium-paced
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Description

Taking in the full history of codemaking, 'Codebreaker' provides an insight into this most secret and mysterious of crafts. It shows just how Julius Caesar cunningly obscured the meaning of vital wartime messages and explains that Sir Francis Wals...

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