Sagan, Carl <br/><br/>
Comet 
Carl  Sagan and Ann Druyan                                                  
 - New York  Ballantine Books  1997 
 - xii, 398p. 
<br/><br/><label>ISBN: </label>0-345-41222-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets
<br/><br/><label>Universal Decimal Class. No.: </label>523.64  / SAG