Based on the hit Netflix series, join Hilda and Twig for more hilarious adventures in the illustrated fiction series. We rejoin our favorite blue-haired heroine Hilda to find her cooking up adventure with the Sparrow Scouts, thwarting mischievous Yule Lads, and battling mechanical bell-ringers. Can Hilda and her friends help the city of Trolberg escape the hungry Gryla and her light-fingered crew? There is no shortage of unexpected twists, turns and new friends in this fourth installment of the Hilda fiction series.