Codes and ciphers /

An alphabetical exploration of the world of codes and ciphers and significant individuals involved in that field.

Bibliographic Details

Main Author:	Wrixon, Fred B.
Format:	Book
Language:	English
Published:	New York : Prentice Hall, [1992]
Edition:	1st ed.
Subjects:	Cryptography > Juvenile literature. Ciphers > Juvenile literature. Cryptography > Dictionaries. Ciphers > Dictionaries.