Unraveled
Shannon Messenger
Keeper of the Lost Cities (9.5)
The Tower of Nero
Rick Riordan
The Trials of Apollo (5)
Unfinished Tales
J. R. R. Tolkien
The Blood of Olympus
The Heroes of Olympus (5)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
How to Speak Dragonese
How to Train Your Dragon (3)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
How to Be a Pirate
How to Train Your Dragon (2)