In a Glass Darkly (1872), a collection of five short stories in the horror and mystery genres, presented as the posthumous papers of the occult detective Dr Hesselius.
Sheridan Le Fanu, in full Joseph Sheridan Le Fanu, (born Aug. 28, 1814, Dublin, Ire. —died Feb. 7, 1873, Dublin), Irish writer of ghost stories and mystery novels, celebrated for his ability to evoke the ominous atmosphere of a haunted house.