A Handbook of Codes, Ciphers, and Secret WritingBook - 2004
History, trivia, and interesting code-breaking tales are compiled in a guide book to the world of secret writing, their deciphers, and the impact such correspondents have had throughout the years.
Publisher: Cambridge, MA. : Candlewick Press, 2004.
Characteristics: 136 p. :,ill. ;,24 cm.