Fire Star
Chris D'Lacey
The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
The Red Pyramid
The Kane Chronicles (1)
Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
The Son of Neptune
The Heroes of Olympus (2)
The Mark of Athena
The Heroes of Olympus (4)
The House of Hades
The Heroes of Olympus (1)
The Blood of Olympus
The Heroes of Olympus (5)
The Demigod Diaries
The Heroes of Olympus (0)
The Lost Hero