The Crown of Ptolemy
Rick Riordan
Demigods and Magicians (3)
The Burning Maze
The Trials of Apollo (3)
The Wrath of Mulgarath
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (5)
The Field Guide
The Spiderwick Chronicles (1)
The Lost Hero
The Heroes of Olympus (1)
The Mark of Athena
The Heroes of Olympus (4)
The Son of Neptune
The Heroes of Olympus (2)
The Demigod Files
Percy Jackson and the Olympians (4.5)
The Serpent's Shadow
The Kane Chronicles (3)