The Red Pyramid
Rick Riordan
The Kane Chronicles (1)
The Coal War
Upton Sinclair
The Coal War (2)
Fire in the Valley
Michael Swaine & Paul Freiberger
The Mark of Athena
Heroes of Olympus (3)
The Lost Hero
Heroes of Olympus (1)
The Son of Neptune
Heroes of Olympus (2)
The House of Hades
Heroes of Olympus (4)
The Blood of Olympus
Heroes of Olympus (5)