Isaac  Asimov <br/><br/>
Foundation and empire 

 - London  Harper Collins  1952 
 - 240 
<br/><br/> 7297 
<br/><br/><label>ISBN: </label>9.7805860136e+12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FictionLife on other planets; Psychohistory; Science fiction
<br/><br/><label>Dewey Class. No.: </label>813.54