"Clay's Ark" is a science fiction novel by Octavia Butler, published in 1984. It is set in a post-apocalyptic world where a deadly disease has transformed humanity. The story follows Eliade, a man who encounters a group of survivors living in a secluded community called Clay's Ark, which is home to people infected with the disease but who have developed unique abilities. The novel explores themes of survival, identity, and the consequences of isolation. As the characters navigate their relationships and the challenges posed by their environment, they confront moral dilemmas and the nature of humanity itself.