Asimov, Isaac,  1920- <br/><br/>
Prelude to foundation  
Isaac Asimov. 
 - [Book club ed.] 
 - New York :  Doubleday,  c1988. 
 - x, 432 p. ;  22 cm. 
<br/><br/> "A Foundation Book."  This, the latest of the 14 Foundation books, is reckoned by Asimov to be the 9th in terms of the chronology of the events covered. Cf. "Author's note (p.ix-x). 
<br/><br/><label>ISBN: </label>0385233132  18.95