Book excerpt: In this suspenseful companion novella to New York Times bestselling author Claudia Gray's Spellcaster, learn the tragic origins of the dark witch Elizabeth. It's 1695, and Elizabeth Cooper is a young witch in Fortune's Sound, Rhode Island. She spends her days perfecting spells with the local coven and dreaming about one day marrying Nat Porter. But Nat is the son of Widow Porter, another witch and the leader of their coven. According to the First Laws of the Craft, Elizabeth is strictly forbidden to marry him. Elizabeth never imagined dabbling in the dark arts, bringing herself close to serving the One Beneath. But as she feels Nat slipping away from her, she will do anything to secure his love. How much harm could she do with one single spell, even if it is black magic? Epic Reads Impulse is a digital imprint with new releases each month.