Christina Diaz Gonzalez is the Edgar Award-winning author of Concealed, Moving Target, The Red Umbrella and A Thunderous Whisper. She is the author of the graphic novel Invisible, with Gabriela Epstein. Her books have received numerous honors and recognitions including the Florida Book Award and the Nebraska Book Award. They have also been named the American Library Association's Best Fiction for Young Adults, a Notable Social Studies Trade Book for Young People, and the International Reading Association's Teachers' Choice. Learn more at christinagonzalez.com.