Sagan, Carl,  1934-1996, <br/><br/>
The dragons of Eden :  speculations on the evolution of human intelligence / 
Carl Sagan. 
 - 271 pages :  illustrations ;  24 cm. 
<br/><br/>Includes index and bibliography : pages [241]-249. 
<br/><br/> The well-known astronomer and astrobiologist surveys current knowledge of the development of intelligence on Earth in various forms of life and explains his persuasion that intelligence must have developed along similar lines throughout the universe. 
<br/><br/><label>ISBN: </label>0345281535  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Genetic psychology.<br/>Brain.<br/>Intellect.<br/>Evolution.