Patrick Carman is the New York Times bestselling author of over thirty books, including the acclaimed series the Land of Elyon and Floors and the teen superhero novel Thirteen Days to Midnight. A multimedia pioneer, Patrick authored The Black Circle, the fifth title in the 39 Clues series, and the Dark Eden, Skeleton Creek, Trackers, Fizzopolis, and Voyagers series. An enthusiastic reading advocate, Patrick has visited more than a thousand schools, developed village library projects in Central America, and created author outreach programs for communities. He lives in Walla Walla, Washington, with his family. You can visit him online at www.patrickcarman.com.