The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
The Serpent's Shadow
The Kane Chronicles (3)
The Crown of Ptolemy
Demigods and Magicians (3)
Lodestar
Shannon Messenger
Keeper of the Lost Cities (5)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Demigod Files
Percy Jackson and the Olympians (4.50)
The Demigod Diaries
The Heroes of Olympus (0.0)
The Lost Hero
The Heroes of Olympus (1)
The Red Pyramid
The Kane Chronicles (1)