Sagan, Carl <br/><br/>
The dragons of eden  speculations of the evolution of human intelligence 
Carl Sagan                                                  
 - Hodder  Coronet Books  1979 
 - 263p. 
<br/><br/><label>ISBN: </label>0-340-23022-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Origin of life
<br/><br/><label>Universal Decimal Class. No.: </label>52-37  / SAG