Riordan, Rick,  <br/><br/>
The mark of Athena 

 - 583 pages ;   20 cm 
 - Heroes of Olympus, Bk. 3. .
 - Heroes of Olympus, Bk. 3. .
<br/><br/><label>ISBN: </label>9780141335766 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English fiction.
<br/><br/><label>Dewey Class. No.: </label>823