'In a Glass Darkly' is a collection of supernatural and mystery stories written by Joseph Sheridan Le Fanu, an Irish author known for his contributions to gothic and Victorian-era literature. First published in 1872, the collection comprises five separate stories, each with its unique plot and set of characters. These stories often explore themes of the supernatural, the unknown, and psychological suspense. The five stories included in 'In a Glass Darkly' are: 'Green Tea,' 'The Familiar,' 'Mr. Justice Harbottle,' 'The Room in the Dragon Volant,' and 'Carmilla.' 'In a Glass Darkly' is regarded as a classic of supernatural and gothic literature, with Joseph Sheridan Le Fanu’s contributions to the genre celebrated by readers and scholars alike.