H.P. Lovecraft's The Unnamable Duology; 1992; 1988; Novella written by H.P. Lovecraft in 1919. Published by The Vagrant in 1920. Novella written by Lovecraft in 1923. Published by Weird Tales in 1925. Collected by On The Wall Of Sleep 1943. The 1992 film takes elements from this story. Corrected text appears in Dagon And Other Macabre Tales 1986 revised edition.