Haddix, Margaret Peterson. <br/><br/>
Into the gauntlet / 
Margaret Peterson Haddix. 
 - New York  :  Scholastic,  2010. 
 - p. cm. 
 - The 39 clues ; 10 .
<br/><br/><label>ISBN: </label>9780545060509 0545060508 
<br/><br/><label>LCCN: </label>2010924652