Amalia Bermejo Books

Follows the further adventures and misadventures of Hiccup Horrendous Haddock the Third as his Viking training continues and his father leads a stranger and the Hairy Hooligans to the Isle of Skullions in search of a pirate's treasure.

Forced to live with his evil identical-twin uncles after his father's death, twelve-year-old Peer tries to find a way to stop their plan to sell the neighbor's children to the trolls.