The House on the Borderland is a supernatural story about an old man in Ireland who explores a cave beneath his house. He travels through space and time and finds a doppelganger of his house. This work is arguably Hodgson's most famous book. Horror writer H.P. Lovecraft named The House on the Borderland as one of his greatest influences. Hodgson's ground-breaking work included horror, fantasy and science fiction. He unfortunately met his untimely death at the age of 40 during World War I.