Codebreaker

A four-thousand-year history of cryptography ranges from the time of the ancient Egyptian pharaohs to the modern-day world of Internet communication to reveal the use of codes and ciphers to hide important secrets, explaining how encryption was developed and has evolved through the centuries, looking at famous codes, and offering clues for breaking a code. Copyright (C) Muze Inc. 2005. For personal use only. All rights reserved.