The Lightning Thief
Rick Riordan
Percy Jackson and the Olympians (1)
The Burning Maze
The Trials of Apollo (3)
The Fall of Five
Pittacus Lore
The Lorien Legacies (4)
The Hitchhiker's Guide to the Galaxy
Eoin Colfer & Douglas Adams
The Hitchhiker's Guide to the Galaxy (1)
The Dark Prophecy
The Trials of Apollo (2)
The Tyrant's Tomb
The Trials of Apollo (4)
The Hidden Oracle
The Trials of Apollo (1)
The Tower of Nero
The Trials of Apollo (5)