Earhart, Kristin  <br/><br/>
The magic school bus:   Inside a volcano / 

 - New York :   Scholastic,   2012.  
 - 32 pages :   color illustrations ;   23 cm 
<br/><br/>G<br/> 
<br/><br/> Tim is making a volcano, but he's not sure how it should work. When Ms Frizzle and her class travel deep inside the earth to find out, things start to heat up!  
<br/><br/> 410<br/>  Lexile <br/>  G<br/>  Raz-Plus<br/> 
<br/><br/><label>ISBN: </label>9780545356855 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adventure --Earth Science
<br/><br/><label>LC Class. No.: </label>QE522.E25  
<br/><br/><label>Dewey Class. No.: </label>551.21