Riordan, Rick <br/><br/>
Heroes of olympus  the lost hero 

 - England  Penguin Books  2010 
 - [6],554,[570] p. 
 - The heroes of olympus .
<br/><br/><label>ISBN: </label>9780141325491 
<br/><br/><label>Universal Decimal Class. No.: </label>82-31  / RIO