Sagan, Carl  1934- <br/><br/>
Comet 
Carl Sagan and Ann Druyan. 
 - 1st Ballantine books ed 
 - New York :  Ballantine Books  c1997. 
 - xii, 398 p. :  ill. (some col.) ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 379-384) and indexes. 
<br/><br/><label>ISBN: </label>0345412222 
<br/><br/><label>LCCN: </label>96095203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Halley's comet
<br/><br/><label>LC Class. No.: </label>QB721  / .S34 1997 
<br/><br/><label>Dewey Class. No.: </label>523.6