RIORDAN Rick <br/><br/>
The mark of Athena/ 
Rick Riordan. 
 - London:   Penguin,   2013. 
 - 584 pg.; 22 cm. 
<br/><br/><label>ISBN: </label>9780141335766 (pbk.):   16.80BND 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HEROES AND HEROINES-- FICTION<br/>MONSTERS-- FICTION<br/>GOD AND GODDESSES-- FICTION