Flashback
Shannon Messenger
Keeper of the Lost Cities (7)
The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
The Serpent's Shadow
The Kane Chronicles (3)
Lodestar
Keeper of the Lost Cities (5)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
How to Be a Pirate
How to Train Your Dragon (2)
How to Speak Dragonese
How to Train Your Dragon (3)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
Hero's Guide to Deadly Dragons
How to Train Your Dragon (6)