Asimov, Isaac  1920- <br/><br/>
Foundation and empire 
Isaac Asimov 
 - London  Grafton Books  1989 
 - 240 p.  18 cm. 
<br/><br/><label>ISBN: </label>0586013555 
<br/><br/><label>Dewey Class. No.: </label>828.3354  / ASI