Rosinsky, Natalie M. <br/><br/>
Rocks :  hard, soft, smooth, and rough / 
written by Natalie M. Rosinsky ; illustration by Matthew John. 
 - 24 pages :  color illustrations ;  26 cm. 
 - Amazing science .
 - Amazing science. .
<br/><br/>Includes bibliographical references (p. 24) and index. 
<br/><br/>The story of rocks -- Igneous rocks -- Sedimentary rocks -- Metamorphic rocks -- Rocks chart -- Activities -- Rock solid facts: Mohs hardness scale. 
<br/><br/><label>ISBN: </label>1404800158 (lib. bdg. : alk. paper) 
<br/><br/><label>LCCN: </label>2002005737 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks<br/>Rocks--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QE432.2  / .R67 2003 
<br/><br/><label>Dewey Class. No.: </label>552