Earth's structure / 
Don Buckley...[et al.]. 
 - Boston:  Pearson,  c2011. 
 - 230 p. ; 28 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>9780133684841 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth--Internal structure--Study and teaching (secondary).