Sagan, Carl <br/><br/>
Dragons of Eden: Speculation on the Evolution of Human Intelligence., The   
  

 - 1st 
 - New York  Ballantine Books  1977 
 - 271 pgs, 17.5 cms, illustrations. 
<br/><br/> B   
<br/><br/>  
<br/><br/><label>ISBN: </label>0 345 26031 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution of Human
<br/><br/><label>Dewey Class. No.: </label>573.3 Sag/Dra