By Sagan, Carl <br/><br/>
Billions and billions: thoughts on life and death at the brink of the millennium 

 - 1st 
 - New York  The Pandoom house  1998 
 - xii; 296p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Billions
<br/><br/><label>Dewey Class. No.: </label>523.1  / SAG