The Mark of Athena: The Heroes of Olympus [Book 3]
Rick Riordan
The Heroes of Olympus (4)
Percy Jackson The Last Olympian
Percy Jackson and the Olympians (5)
Prince Caspian: The Return to Narnia
C. S. Lewis
The Chronicles of Narnia (4)
The Return of the King
J. R. R. Tolkien
The Lord of the Rings (3)