The Hidden World

New York: St. Martin's Press. Very Good in Very Good dust jacket. 1976. First US Edition. Hardcover.

London: Robert Hale, 1976. First Edition. . Hardcover. Fine/Fine. 207pp, hc, fine in dj. The story of codes, ciphers and secret writing. Size: 8vo

NY: St. Martin's Press, 1976. Hardcover. 207pp. VG+ / Sticker scar on front of dj.

R Hale, 1976. Hardback. Used: Acceptable. Hardback with dustjacket - 1976 - good condition - - used books, secondhand books, for sale, out of print books, hard to find books, second-hand books, college books, student books, nonfiction, first editions, exlibrary books sold, signed copies, non-fiction books delivered world wide. Isbn

NY:: St. Martin's,. Near Fine in Near Fine dust jacket. 1976. Hardcover. First edition. Very near fine in like dust jacket. .

London: Robert Hale, 1976. 1st edition. Very Good. octavo. dust jacket 207pp., bibliog., index, The Story of Hidden Writing from the Earliest Times. How ciphers and Codes work and how they are unravelled. How the Arabs discovered the constancy of letter frequencies and their remarkable forms of invisible ink. Also how the BBC broadcast in code… Read more about this item

Robert Hale, 1976. Book. Very Good. Hardcover. 1st Edition. 207pp. Tight copy in mylar-protected dust jacket..

Hale 1976 hb g.

hardcover. 8vo, cloth, d.w. N.Y.: St. Martin's, (1976). vg History of the use of ciphers and codes.<br/><br/>