Showdown by Shirley Jackson: A previously unpublished short story from the queen of American Gothic

Visitors, if there had ever been any, would have said that the little town of Mansfield was haunted. It didn't look haunted, hidden comfortably away among green hills, with its placid houses and cheerful-looking inhabitants, but nevertheless a visitor, if there had ever been any, would have said that it was definitely, but definitely, haunted.