Cover Image

Codemaster : secrets of making and breaking codes /

Bibliographic Details
Main Author: Nickels, Hamilton
Format: Book
Language:English
Published: Boulder, Colo. : Paladin Press, [1990]
Subjects:
Ciphers.
Cryptography.
Description
Item Description:Includes index.
Physical Description:viii, 136 pages ; 22 cm.
ISBN:0873645642