Tom Clancy's op-center : state of siege 
Clancy, Tom. 
 -  Berkley Books.  1999 
 - 368 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>0-425-16822-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction.
<br/><br/><label>Dewey Class. No.: </label>FIC C587 1999