This thoroughly researched, highly readable volume has biographies of famous--and infamous--spies and cryptographers, illustrations of codes and cipher devices with explanations of how they work, and fascinating examples of how covert communications have changed the course of history, from ancient times through World War II and beyond. 50 photos and illustrations; tables and graphs throughout.
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Book Description Macmillan General Reference, 1992. Paperback. Book Condition: New. Bookseller Inventory # P110132770474
Book Description Macmillan General Reference, 1992. Paperback. Book Condition: New. 1st. Bookseller Inventory # DADAX0132770474