The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
Eldest
Christopher Paolini
The Inheritance Cycle (2)
The Serpent's Shadow
The Kane Chronicles (3)
Camp Jupiter Classified
The Trials of Apollo (4.5)
How to Be a Pirate
Cressida Cowell
How to Train Your Dragon (2)
How to Twist a Dragon's Tale
How to Train Your Dragon (5)
How to Train Your Dragon: 12
How to Train Your Dragon (12)