David Saperstein is the author of Cocoon, a New York Times bestselling and Academy Award–winning film; Red Devil, the first book in the Evil on Earth series; Metamorphosis and Butterfly (books two and three of the Cocoon trilogy); and Fatal Reunion, among others. His novel Dark Again was the first full novel available via internet. A writer, director, and producer for documentaries, feature films, TV, music videos, and commercials, Saperstein has also taught film at New York University Tisch School, written the lyrics for more than eighty published songs, and written the librettos for three musicals.