Margaret Oliphant (1828 – 1897]) was a Scottish novelist who wrote as Mrs. Oliphant. She is best known for her fictional works, historical novels and supernatural tales.

"The Library Window" is a ghost story. A young girl, visiting her aunt in Scotland, finds herself increasingly intrigued by a mysterious window in the house opposite her own favourite window, where she sits to read. There seems to be a local mystery about the window, including a dispute about whether there is even a window there at all. Increasingly this doubt seems odd to the girl as the days go by, as she can see into the room opposite and make out furniture and objects there. Then one day she sees someone in that room...