The Children of Red Peak is a 2020 psychological horror novel by Craig DiLouie about three adult survivors of a doomsday cult who must confront their traumatic past. The story, told through dual timelines, follows David, Deacon, and Beth as they reunite after a fellow survivor's suicide to share their repressed memories and return to the mountain where the cult's horrific final days took place. The book explores themes of faith, trauma, and the blurred line between religious belief and cult-like fanaticism.