1. 02. English Fiction The son of Neptune / by Riordan, Rick. Publication: New York : Disney Hyperion Books, 2011 . 521 p. : 22 cm. Date:2011 Availability: Copies available: (1), Actions:
2. 02. English Fiction The mark of Athena / by Riordan, Rick. Publication: New York : Hyperion, 2012 . 586 p. ; 22 cm. Date:2012 Availability: Copies available: (1), Actions:
3. 02. English Fiction The Heroes of Olympus: The lost hero / by Riordan, Rick. Publication: New York : Scholastic Inc., 2010 . 553 p. ; 20 cm. Date:2010 Availability: Copies available: (1), Actions: