"In Linette Moore's debut, middle-grade graphic novel, The Prisoner of Shiverstone, eleven-year-old Helga Sharp is found unconscious in a drifting rowboat near the coast of Utley Island. Utley, as Helga finds out when she awakens in the hospital, is forbidden territory: it's a prison island to which the Mainland has exiled troublesome mad scientists for generations. Helga is questioned by the island's guards and though they're suspicious of her story,...