Nightfall
Shannon Messenger
Keeper of the Lost Cities (6)
The Tyrant's Tomb
Rick Riordan
The Trials of Apollo (4)
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
The Mark of Athena
The Heroes of Olympus (4)
The Serpent's Shadow
The Kane Chronicles (3)