Spy School Secret Service
Stuart Gibbs
Spy School (5)
Nightfall
Shannon Messenger
Keeper of the Lost Cities (6)
The Voyage of the Dawn Treader: The Chronicles of Narnia
C. S. Lewis
The Chronicles of Narnia (5)
City of Heavenly Fire
Cassandra Clare
The Mortal Instruments Series (6)
The Blood of Olympus: The Heroes of Olympus [Book 5]
Rick Riordan
The Heroes of Olympus (5)
The Mark of Athena: The Heroes of Olympus [Book 3]
The Heroes of Olympus (4)
The Son of Neptune: The Heroes of Olympus [Book 2]
The Heroes of Olympus (2)
The Lost Hero: The Heroes of Olympus [Book 1]
The Heroes of Olympus (1)
The House of Hades: The Heroes of Olympus [Book 4]