Frey, Stephen, <br/><br/>
Fourth Order : 

 -  Random House Publishing Group,  2010. 
<br/><br/><label>ISBN: </label>9780345480651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence service.
<br/><br/><label>Dewey Class. No.: </label>813.54  / FRE