The Treader of the Dust by Clark Ashton Smith | A Cthulhu Mythos Story

THE TREADER OF THE DUST is a short story by American author Clark Ashton Smith, first published in Weird Tales in August 1935. The story introduces Quachil Uttaus and the Testament of Carnamagos to the Cthulhu Mythos, in relation to the tale of an unnamed character who obtains the forbidden tome from a sinister book-seller.