Riordan, Rick <br/><br/>
Lost hero: heroes of Olympus 

 - London :  Puffin,  2010. 
 - 553p.: ill.;  pb,  25cm. 
<br/><br/><label>ISBN: </label>9780141325491 
<br/><br/><label>Dewey Class. No.: </label>813.6 RIO