Sagan, Carl  <br/><br/>
Billions And Billions :  Thoughts On Life And Death At The Brink Of The Millennium / 
Carl Sagan 
 - New York:  The Random House Publishing Group,    1997. 
 - 296p 
<br/><br/><label>ISBN: </label>9780345379184 
<br/><br/><label>Dewey Class. No.: </label>500  / SAG/B