Keegan, John,  1934- <br/><br/>
Intelligence in war :  knowledge of the enemy from Napoleon to Al-Qaeda 
John Keegan. 
 - 1st American ed. 
 - New York :  Alfred A. Knopf,  c2003. 
 - xx, 387 p., [16] p. of plates :  ill., map ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 353-368) and index. 
<br/><br/><label>ISBN: </label>0375400532  18.95 
<br/><br/><label>LCCN: </label>2002044828 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Military intelligence--History--19th century.<br/>Military intelligence--History--20th century.<br/>Military history, Modern--19th century.<br/>Military history, Modern--20th century.