Singh, Simon <br/><br/>
Code Book: The science of secrecy from ancient Egypt to quantum cryptography 

 - New York  Anchor Books  1999 
 - xvii, 411p. 
<br/><br/><label>ISBN: </label>9780385495325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography-History
<br/><br/><label>Dewey Class. No.: </label>652.809  / Sin