Riley, Clifford <br/><br/>
Spymasters :  cahill files 
 Cahill files 

 - New York :   Scholastic,   2012 
 - 250 p.  
 - The 39 clues ;  bvook 2 .
<br/><br/><label>ISBN: </label>9780545564687 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spy--Juvenile fiction<br/>Juvenile fiction