Singh, Simon <br/><br/>
The code book:  The science of secrecy from ancient Egypy to quantum cryptography 

 - New York,  Anchor Books,  2000 
 - xvii, 411p. 
<br/><br/> Supplied by Technical Bureau India Pvt. Ltd., New Delhi 
<br/><br/><label>ISBN: </label>9780385495325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500 SIN/C