Riordan, Rick <br/><br/>
The last olympian / 
Rick Riordan. 
 - New York :  Disney/Hyperion books,  c2009. 
 - 375 p. ; 20 cm. 
 - Percy Jacson & the Olympians ; bk.5 .
<br/><br/><label>ISBN: </label>9781423101505