Stamper, Judith Bauer. <br/><br/>
Rocky road trip / 
[written by Judith Bauer Stamper ; illustrations by Hope Gangloff ; based on the Magic School Bus books written by Joanna Cole and illustrated by Bruce Degen]. 
 - New York :  Scholastic,  c2003. 
 - 89 p. :  ill. ;  20 cm. 
 - The magic school bus : a science chapter book ;  #20 .
 - Magic school bus science chapter book ;  #20. .
<br/><br/> Ms. Frizzle's class blasts off for another adventure to learn about rocks and minerals and end up in the Wild West. 
<br/><br/> 600  Lexile. 
<br/><br/><label>ISBN: </label>9780439560535 (pbk.) :  $4.99 0439560535 (pbk.) :  $4.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Fiction.<br/>Minerals--Fiction.<br/>Field trips--Fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.S78612  / Ro 2003 
<br/><br/><label>Dewey Class. No.: </label>[E]