This illustrated encyclopedia surveys the history and development of code-making and code-breaking in all areas of culture and society from hieroglyphs and rune

J Richard Knapp's best selling fictional story, Book of Codes, is the first great adventure of Sam (Samantha) and her twin brother, Nick. Follow the twins as th

This vintage book contains Alexander D’Agapeyeff’s famous 1939 work, Codes and Ciphers - A History of Cryptography. Cryptography is the employment of codes

Contains: Equidistant letter sequences in the book of Genesis / Doron Witztum, Eliyahu Rips, and Yoav Rosenberg.