The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.5)
The Ironwood Tree
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (4)
The Wyrm King
The Lightning Thief
Percy Jackson and the Olympians (1)
The Mark of Athena
The Heroes of Olympus (4)
The Serpent's Shadow
The Kane Chronicles (3)