Kelley Armstrong is the author of several young adult books. She writes fiction designed to keep her dedicated audience on the edge of their seats — and they've stuck with her through 40 books ranging from horror in her hit Women of Otherworld series to a New York Times #1 bestselling young adult novel. Her standalone novels include Aftermath and Missing, but she is best known for her Darkest Powers and Darkness Rising series as well as her Cainsville and Otherworld series.