Simon Singh <br/><br/>
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography 

 - 1st 
 - New York  Anchor Books  2000 
<br/><br/><label>ISBN: </label>9781439580165 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Cryptography<br/>History<br/>Data encryption<br/>Nonfiction
<br/><br/><label>Dewey Class. No.: </label>652.8'09