The son of Neptune/ 
Rick Riordan. 
 - New York:  Disney Hyperion,  2011. 
 - 521p. 
 -  The heroes of olympus.  vol. 2.  .
<br/><br/><label>ISBN: </label>9781423141990 
<br/><br/><label>Dewey Class. No.: </label>FIC R4791 2011