Riordan Rick, <br/><br/>
The heroes of Olympus /  The son of Neptune : 
Rick Riordan 
 - New York ;  Hyperion books,  2011 
 - 521 pages :  22 cm. 
<br/><br/> Demigod Percy Jackson, still with no memory, and his new friends from Camp Jupiter, Hazel and Frank , go on a quest to free Death but their bigger task is to unite the Greek and Roman camps so that the prophecy of seven can be fulfilled. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9781423140597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mythology, Roman- fiction, Mythology, Greek-fiction, Camps-fiction, Hera(Greek Deity)-fiction, Gaia(Greek deity)-fiction, Monster-fiction, Prophecies-fiction
<br/><br/><label>Dewey Class. No.: </label> / R47