Ryan, Bernard, <br/><br/>
Stephen Hawking : 

 -  Ferguson Publishing Company,  2004. 
 - 154 pages 
<br/><br/><label>ISBN: </label>9780816055463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Juvenile Nonfiction.
<br/><br/><label>Dewey Class. No.: </label>530.09  / RYA