The Lost Hero
Rick Riordan
2010
The Son of Neptune
Rick Riordan
2011
The Mark of Athena
Rick Riordan
2011
House of Hades
Rick Riordan
2013
The Blood of Olympus
Rick Riordan
2001
Mythology
Edith Hamilton
1940
The Demigod Diaries
Rick Riordan
2012
The Lost Hero / The Son of Neptune / The Mark of Athena / The House of Hades / The Blood of Olympus
Rick Riordan
1809
The Lost Hero The Graphic Novel
Rick Riordan
2014
The Mark of Athena Graphic Novel
Rick Riordan
2023
The House of Hades Graphic Novel
Rick Riordan
2024
The flame of Olympus
Kate O'Hearn
2012
The Lost Hero / The Son of Neptune / The Mark of Athena
Rick Riordan
2014
The Lost Hero / The Son of Neptune
Rick Riordan
2013
The Lost Hero / The Son of Neptune / The Mark of Athena / The House of Hades
Rick Riordan
2014
Trivia
Trivion Books
2016
Summary of the Heroes of Olympus Paperback Boxed Set
Whizbooks
2018
Olympens helte 1
Rick Riordan
2016
Demigods & Magicians / The Demigod Diaries
Rick Riordan
2020
The Gods of High Olympus and a hero
Nelson-Atkins Museum of Art.
1983