The Purple Cloud

"The Purple Cloud" is a science fiction novel written by M. P. Shiel, first published in 1901. The novel is set in a post-apocalyptic world and follows the story of Adam Jeffson, an explorer who discovers a mysterious purple cloud that wipes out all life on Earth, except for himself. As the last man alive, Jeffson grapples with loneliness, madness, and the consequences of his discovery.