Caroline Hjelt

Lovable and friendly, the trolls love to play around. But one day, a mysterious giant shows up to end the party. Poppy, the optimistic leader of ...

Queen Poppy and Branch make a surprising discovery — there are other Troll worlds beyond their own, and their distinct differences create big ...

When the eternally optimistic Poppy, queen of the Trolls, learns that the Bergens no longer have any holidays on their calendar, she enlists the ...