The Purple Cloud is a “last man” novel by the British writer M. P. Shiel. It was published in 1901. H. P. Lovecraft later praised the novel as exemplary weird fiction, “delivered with a skill and artistry falling little short of actual majesty.”

Public domain, available on Project Gutenberg, or downoad in epub, mobi (Kindle) or plain text.

The-Purple-Cloud-by-M.P.-Shiel