Gutman, Dan. <br/><br/>
Mayor hubble is in trouble! / 
Dan Gutman. 
 - New York :  Scholastic,  2012. 
 - 126 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978054515641 
<br/><br/><label>Dewey Class. No.: </label>SC G9857ma 2012