The Dark Prophecy
Rick Riordan
The Trials of Apollo (2)
Legacy
Shannon Messenger
Keeper of the Lost Cities (8)
Stellarlune
Keeper of the Lost Cities (9)
The House of Hades
The Heroes of Olympus (1)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
The Serpent's Shadow
The Kane Chronicles (3)