Heroes of Olympus The Blood of Olympus (Heroes of Olympus Book 5) - Rick Riordan (Paperback) 07-05-2015
Heroes of Olympus The Demigod Diaries - Rick Riordan (Hardback) 06-09-2012
Heroes of Olympus The House of Hades (Heroes of Olympus Book 4) - Rick Riordan (Paperback) 02-10-2014
Heroes of Olympus The Lost Hero (Heroes of Olympus Book 1) - Rick Riordan (Paperback) 04-10-2012
Heroes of Olympus The Mark of Athena (Heroes of Olympus Book 3) - Rick Riordan (Paperback) 03-10-2013
Heroes of Olympus The Son of Neptune (Heroes of Olympus Book 2) - Rick Riordan (Paperback) 03-10-2013
Heroes of Olympus The Son of Neptune: The Graphic Novel (Heroes of Olympus Book 2) - Rick Riordan (Paperback) 23-02-2017
