Silverberg, Robert,  <br/><br/>
Project pendulum 

 - 139 pages ;   20 cm 
<br/><br/><label>ISBN: </label>0091737575 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science fiction, English
<br/><br/><label>Dewey Class. No.: </label>823