How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)
The Blood of Olympus
Rick Riordan
The Heroes of Olympus (5)
Exile
Shannon Messenger
Keeper of the Lost Cities (2)
The Crown of Ptolemy
Demigods and Magicians (3)
The Lost Hero
The Heroes of Olympus (1)