Barnes, Dawn <br/><br/>
Seven wheels of power 
Dawn Barnes; Bernard Chang 
 - New York  Scholastic  2007 
 - 175 p. : ill. ; 20 cm 
<br/><br/><label>ISBN: </label>9780545010290 
<br/><br/><label>Dewey Class. No.: </label>741.5 BAR