Hagberg, David. <br/><br/>
Countdown / 
by David Hagberg. 
 - New York, N.Y. :  Tom Doherty Associates Book,  1990. 
 - 494 p. 
<br/><br/><label>ISBN: </label>0812509641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction--General.<br/>Fiction--Espionage.