Singh, Simon, <br/><br/>
The code book :   the evolution of serecy from Mary Queen of scots to quantum cryptography /  
Simon Singh. 
 - First Edition. 
 - 401 pages ;  24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0385495315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Cryptography.<br/>Encryption.<br/>History.
<br/><br/><label>Dewey Class. No.: </label>652.809  / S617