Ludlum, Robert. <br/><br/>
The Gemini contenders. 

 - New York :  Bantam Books,  1989. 
 - 411 p.  18 cm. 
<br/><br/><label>ISBN: </label>9780553282092 
<br/><br/><label>Dewey Class. No.: </label>813.54 LUD