Riordan, Rick <br/><br/>
The 39 Clues: Vespers rising (Book 11) 

 - New York  Schholastic  2011 
 - 238p. 
<br/><br/><label>ISBN: </label>9780545209593 
<br/><br/><label>Dewey Class. No.: </label>F  R479T