The Tyrant's Tomb
Rick Riordan
The Trials of Apollo (4)
The Serpent's Shadow
The Kane Chronicles (3)
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
Unraveled
Shannon Messenger
Keeper of the Lost Cities (9.5)
The Titan's Curse
Percy Jackson and the Olympians (3)