Opening your eyes to discover you have been transformed into a rocky, heavy mountain troll is a terrifying way to wake up. Hilda is trapped in a body she does not understand, stranded deep in the wilderness, and entirely cut off from the human world. Back in Trolberg, her mother is frantic, left to care for a bizarre changeling creature while desperately trying to figure out what happened to her real daughter. You will race against time in this breathtaking graphic novel as both Hilda and her mother launch daring missions to find one another. The stakes have never been higher, because the Trolberg safety patrol is preparing to unleash a highly classified weapon designed to destroy the troll population once and for all. If Hilda cannot break the spell and negotiate a peace between the humans and the trolls, she might be wiped out along with them. This beautifully illustrated, action packed adventure delivers a powerful story about empathy, understanding, and the unbreakable bond between a mother and her child.