"Asimov, Isaac" <br/><br/>
Asimov's guide to Halley's Comet 

 - London  Panther Books.  1985 
 - 118p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets
<br/><br/><label>Dewey Class. No.: </label>523.6 ASI