Discusses the history and different varieties of codes and ciphers, describing code machines, signals, sign language, picture languages, and hidden messages.
"synopsis" may belong to another edition of this title.
Seller: BooksRun, Philadelphia, PA, U.S.A.
Paperback. Condition: Very Good. First Edition. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting. Seller Inventory # 0894717812-11-1
Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Good. First Edition. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 1161662-20
Seller: Better World Books: West, Reno, NV, U.S.A.
Condition: Good. First Edition. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 4008370-6
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
Paperback. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0894717812I3N00
Seller: Alf Books, Menomonie, WI, U.S.A.
soft cover, 80 pages, 9 1/4 x 6 1/4 inches, 1st edition, very good + book condition, no dust jacket, juvenile non-fiction, Seller Inventory # D 3473
Seller: -OnTimeBooks-, Phoenix, AZ, U.S.A.
Condition: very_good. Gently read. May have name of previous ownership, or ex-library edition. Binding tight; spine straight and smooth, with no creasing; covers clean and crisp. Minimal signs of handling or shelving. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! Ships USPS Media Mail. Seller Inventory # OTV.0894717812.VG
Seller: SHIMEDIA, Brooklyn, NY, U.S.A.
Condition: New. Satisfaction Guaranteed or your money back. Seller Inventory # 0894717812