Rosy is a bone familiar, gifted with the power to shift into animals marked with exposed bone. She spends most of her days in the magical Bone Forest, caring for her feral grandmother and hiding her powers to avoid conscription by the Witch King’s army. Until the day that Princess Shaw, a witch known as Death’s Heir, visits the Forest. When Rosy saves Shaw’s life, the princess offers her the chance to attend the prestigious school, Witch Hall,...