Singh, Simon.
The code book : how to make it, break it, hack it, crack it / [by] Simon Singh. - New York : Delacorte, 2002. - 263 p. : ill., ports., charts ; 22 cm.
Includes bibliographical references and index.
Examines the history of cryptography, including discussions of code making and deciphering.
7-A. 12-A.
0385900325 0385729138
Ciphers.
Cryptography.
652/.8
The code book : how to make it, break it, hack it, crack it / [by] Simon Singh. - New York : Delacorte, 2002. - 263 p. : ill., ports., charts ; 22 cm.
Includes bibliographical references and index.
Examines the history of cryptography, including discussions of code making and deciphering.
7-A. 12-A.
0385900325 0385729138
Ciphers.
Cryptography.
652/.8