1. 02. English Fiction Percy Jackson & the Olympians : the demigod files / by Riordan, Rick Publication: New York : Disney/Hyperion Books, 2009 . 151 p. Date:2009 Availability: Copies available: (2), Actions:
2. 02. English Fiction The demigod diaries / by Riordan, Rick. Publication: New York : Disney/Hyperion Books, 2012 . 242 p. : 19 cm. Date:2012 Availability: Copies available: (1), Actions:
3. 02. English Fiction The Heroes of Olympus #1: The lost hero / by Riordan, Rick. Publication: New York : Disney/Hyperion Books, 2012 . 553 p. ; 20 cm. Date:2012 Availability: Copies available: (1), Actions: