This practical field manual is designed to teach combat and survival professionals, as well as hobbyists, the basic mechanics of enciphering and deciphering messages. Includes everything from the simplest paper-and-pencil ciphers to state-of-the-art computer systems used by governments and militaries.
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Seller: Shadetree Rare Books, Chatham, VA, U.S.A.
Soft cover. Condition: Very Good. VERY GOOD SOFTCOVER. Seller Inventory # L5335
Seller: GridFreed, San Diego, CA, U.S.A.
paperback. Condition: New. Seller Inventory # 300-01033
Seller: Better World Books: West, Reno, NV, U.S.A.
Condition: Very Good. Former library copy. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 10177634-6