Riordan,Rick <br/><br/>
Heroes of olympus: the house of hades/by Rick Riordan 

 - UK  Puffin books  2013 
 - 597p. 
<br/><br/><label>ISBN: </label>9780141339207 
<br/><br/><label>Dewey Class. No.: </label>823  R479H