The Dark Prophecy
Rick Riordan
The Trials of Apollo (2)
Camp Jupiter Classified
The Trials of Apollo (4.5)
The Blood of Olympus
The Heroes of Olympus (5)
Wings of Starlight
Allison Saft
The Tower of Nero
The Trials of Apollo (5)
The Hidden Oracle
The Trials of Apollo (1)
The Burning Maze
The Trials of Apollo (3)
The Tyrant's Tomb
The Trials of Apollo (4)