The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
Wings of Starlight
Allison Saft
The Last Olympian
Percy Jackson and the Olympians (5)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Blood of Olympus
The Heroes of Olympus (5)
The Demigod Diaries
The Heroes of Olympus (0)
The House of Hades
The Heroes of Olympus (1)
The Lost Hero
The Mark of Athena
The Heroes of Olympus (4)
The Son of Neptune
The Heroes of Olympus (2)