49:08

Rick Riordan, "The House of Hades"

31:44

Rick Riordan Interview on The Blood of Olympus | Heroes of Olympus Book Series

46:09

Rick Riordan, "The Tyrant's Tomb"

7:32:37

Percy Jackson & the Olympians: The Battle of the Labyrinth - Full Audiobook

19:06

Rick Riordan - 2009 National Book Festival

13:25

BEA 13: Rick Riordan Children's Book & Author Breakfast Presentation

8:49

AN INTERVIEW FROM OLYMPUS | Rick Riordan & tiernanbe

1:21:05

Rick Riordan, "The Tower of Nero"