Pockets Full of knowledge <br/><br/>
Rocks & Minerals 

 - New York, USA  DK publishing, Inc.  1995 
<br/><br/> n/a 
<br/><br/><label>ISBN: </label>1-56458-663-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult Nonfiction
<br/><br/><label>Dewey Class. No.: </label>AN 552 FUL