Tomecek, Steve <br/><br/>
Everything Rocks & Minerals. 

 - Washington D.C :  National Geographic,  2011. 
 - 64 
 - National Geographic Kids .
<br/><br/><label>ISBN: </label>9781426309618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks & Minerals - Juvenile literature