The Blood of Olympus: The Heroes of Olympus [Book 5]
Rick Riordan
The Heroes of Olympus (5)
Spy School at Sea
Stuart Gibbs
Spy School (9)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Magician's Nephew: The Chronicles of Narnia
C. S. Lewis
The Chronicles of Narnia (1)