A user-friendly introduction to the history of secret communications traces the applications of such examples as smoke signals, military encryptions, and computer algorithms, in a practical account that also traces the contributions of code-breakers and shares practical information on code making. Original.
"synopsis" may belong to another edition of this title.
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Condition: Good. Former library book; may include library markings. Used book that is in clean, average condition without any missing pages. Seller Inventory # 8826271-6
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paperback. Condition: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority! Seller Inventory # S_441219668
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
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