The earth lords 
Dickson, Gordon R. 
 -  Ace Books.  1989 
 - 311 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>0-441-18044-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction.
<br/><br/><label>Dewey Class. No.: </label>FIC D5611 1989