Sagan, Carl,  1934- <br/><br/>
The dragons of Eden :  speculations on the evolution of human intelligence / 
Carl Sagan. 
 - 1st ed. 
 - New York :  Random House,  c1977. 
 - 263 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 241-249. 
<br/><br/><label>ISBN: </label>0394410459   $8.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect.<br/>Brain.<br/>Genetic psychology.
<br/><br/><label>LC Class. No.: </label>BF431  / .S2 
<br/><br/><label>Dewey Class. No.: </label>153