Codes and CiphersBook - 2006
This volume is a history of the development of codes and ciphers, and information and advice on how to make codes (whether by pencil and paper, or by computer) and how to break codes. The topics covered include: Native American smoke signals; Morse code, Braille, ASCII computer language; letter substitution; and many more.
Publisher: London : Collins, 2006.
Branch Call Number: 652.8 Cal 3701ma 1
Characteristics: 191 pages : illustrations (some color).