Prokos,  Anna  <br/><br/>
Rocks / 
Anna Prokos. 
 - New York :  Macmillan,  McGraw-Hill,  [2007]. 
 - 16 p. :  color ill.,  23 cm. 
 - Leveled Reader Library .
<br/><br/>  Glossary, p. 15<br/> 
<br/><br/>Index, p. 16 
<br/><br/><label>ISBN: </label>9780022834999 0022834990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology<br/>Rocks --Juvenile literature