Riordan, Rick. <br/><br/>
The lost hero 
Rick Riordan 
 - 1st Disney/Hyperion US pbk. ed. 
 - [S.l.]  Disney/Hyperion Books  2012 
 - 557 p. 
 - Heroes of Olympus .
 - Heroes of Olympus .
<br/><br/><label>ISBN: </label>9781423113461