Codes and ciphers
Subtitle: secret writing through the ages
By: by John Laffin ; illustrated by C. de la Nougerede.
Publisher: Abelard-Schuman
Published: 1964
Place of publication: London; New York
Language: eng
Number of pages: 152
Subjects: Ciphers; Cryptography
Description: A romantic and practical history from ancient to modern times. Includes cipher messages with answers at the back of the book.
Notes: Includes index.