Padilla, Michael J. <br/><br/>
Prentice hall science explorer :  Grade 7 / 
Michael J. Padilla 
 - New Jersey :  Prentice Hall, Inc.,  c2002. 
 - xxii, 720p. :  colored illustrations ;  28 cm. 
<br/><br/> Includes glossary and index 
<br/><br/><label>ISBN: </label>013053479x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.
<br/><br/><label>Dewey Class. No.: </label>REF 507.12 P123 2002