Holly Black is the author of The Curse Workers series: White Cat, Red Glove, and Black Heart; The Poison Eaters: And Other Stories; and the Modern Faerie Tales: Tithe, Valiant, and Ironside. She is an editor of Zombies vs. Unicorns, and she collaborated with Tony DiTerlizzi on the bestselling Spiderwick series. Holly lives in Amherst, Massachusetts, and you can visit her at BlackHolly.com.