Sagan, Carl  <br/><br/>
Shadows of forgotten ancestors :   a search for who we are 

 - New York  Ballantine  1992 
 - 505p. 
<br/><br/><label>ISBN: </label>9780345384720 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution (Biology)<br/>Life--Origin<br/>Human evolution
<br/><br/><label>Dewey Class. No.: </label>304.5  / SAG