Asimovs Guide to halleys comet 

 - New York  Dell Publishing  1985 
 - x, 118  Hb 
<br/><br/><label>ISBN: </label>0-440-50434-1 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>523.64