Sagan, Carl <br/><br/>
The dragons of eden :  speculations on the evolution of human intelligence / 
by Carl Sagan 
 - New York :  Ballantine Books ,  1977 . 
 - 271 p.  Paper Back 
<br/><br/><label>ISBN: </label>0345346297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English<br/>Huma intelligence
<br/><br/><label>Dewey Class. No.: </label>153  / CAR-D