Sagan, Carl,  1934- <br/><br/>
Shadows of forgotten ancestors :  a search for who we are / 
Carl Sagan, Ann Druyan. 
 - 1st ed. 
 - New York :  Random House,  c1992. 
 - xvi, 505 p. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0394534816 :  $23.00 
<br/><br/><label>LCCN: </label>92050155  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life--Origin.<br/>Evolution (Biology)
<br/><br/><label>LC Class. No.: </label>QH325  / .S24 1992 
<br/><br/><label>Dewey Class. No.: </label>304.5