Tomecek, Steve. <br/><br/>
Everything rocks & minerals 
Steve Tomecek 
 - 1st ed. 
 - [S.l.]  National Geographic  2011 
 - 64 p. 
 - National geographic kids. Everything series .
 - National geographic kids. Everything series .
<br/><br/><label>ISBN: </label>9781426307683 (trade : alk. paper) 9781426308017 (lib. bdg. : alk. paper)