Secret Writing: An Introduction to Cryptograms, Ciphers, and Codes
by: Lysing, Henry

Hardcover. NY, David Kemp & Company, 1st, 1936, Book: Very Good, Dust Jacket: None, Hardcover, red cloth with black lettering, 117 pages. Secret Writing is an authoritative popular work for the beginner as well as the advanced enthusiast, explaining the principles underlying the construction and deciphering of all types of cryptograms, ciphers and codes. Numerous problems and teasers are presented, and the key to their solution suggested. The author was a long-time editor and writer for pulp magazines and contributed a cryptography column to The Shadow magazine. Name, date on front fly leaf, otherwise clean.