Editions of Codes, Ciphers and Secret Writing

96 pages

English language

Published May 9, 1972 by Simon and Schuster.

Paperback

Spanish language

Published Jan. 9, 1996 by Zugarto.

96 pages

English language

Published Feb. 2, 1984 by Dover.

114 pages

English language

Published May 9, 1974 by Pocket Books.

mass market paperback, 114 pages

English language

Published Sept. 3, 1978 by Simon & Schuster.

Paperback

Spanish language

Published Nov. 9, 2006 by Ediciones de Mente.

English language

Published May 9, 2013 by Dover Publications, Incorporated.

English language

Published May 9, 2013 by Dover Publications, Incorporated.