ALAN GRATZ is the author of many critically-acclaimed books for children and teens, including Samurai Shortstop, an ALA Top Ten Books for Young Adults; Prisoner B-3087; The Brooklyn Nine; Refugee; and the League of Seven trilogy (The League of Seven, The Dragon Lantern, The Monster War). A native of Knoxville, Tennessee, Alan is now a full-time writer living in western North Carolina with his wife and daughter. Less