Brisingr
Christopher Paolini
The Inheritance Cycle (3)
The Mark of Athena
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The Heroes of Olympus (4)
How to Ride a Dragon's Storm
Cressida Cowell
How to Train Your Dragon (7)
How to Train Your Viking
How to Train Your Dragon (1.5)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)