The House of Hades: The Heroes of Olympus [Book 4]
Rick Riordan
The Heroes of Olympus (1)
Percy Jackson and the Olympians The Sea of Monsters
Percy Jackson and the Olympians (2)
Prince Caspian: The Return to Narnia
C. S. Lewis
The Chronicles of Narnia (4)
Spy School Revolution
Stuart Gibbs
Spy School (8)