"The House on the Borderland" is a horror novel written by William Hope Hodgson in 1908. The story follows an unnamed narrator who discovers a manuscript detailing the experiences of a man living in a remote house. This man encounters strange creatures and experiences supernatural events that blur the lines between reality and dreams. The novel explores themes of cosmic horror and the unknown, as the protagonist faces terrifying visions and the concept of time. It is considered a significant work in the genre, influencing later writers like H.P. Lovecraft and contributing to the development of weird fiction.