Before life 

 - New York:  Facts On File,  2004 
 - 112 p. : ill. (some col.) ; 24 cm., 
<br/><br/><label>ISBN: </label>816050457 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historical geology
<br/><br/><label>Dewey Class. No.: </label>551.7 DIA