"ASIMOV ISAAC" <br/><br/>
The Oxford Bookworms Library: Stage 5: 1,800 Headwords: I, Robot - Short Stories: 1800 Headwords 

 - New York  OUP Oxford  2000 
 - 104 
<br/><br/><label>ISBN: </label>9780194230698 
<br/><br/><label>Dewey Class. No.: </label>820  / 1152