The Sword of Summer
Rick Riordan
Magnus Chase and the Gods of Asgard (1)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
Bilbo's Last Song
J.R.R. Tolkien
The Son of Neptune
The Heroes of Olympus (2)
The Mark of Athena
The Heroes of Olympus (4)
The Lost Hero
The Heroes of Olympus (1)
The House of Hades
The Demigod Diaries
The Heroes of Olympus (0)
The Blood of Olympus
The Heroes of Olympus (5)