"The Watcher from the Sky" is a novelette written by August Derleth and is part of the Cthulhu Mythos series. It was first published in the July 1945 issue of Weird Tales and later included in the 1962 collection "The Trail of Cthulhu". The story follows Abel Keane, a divinity student in Boston, Massachusetts, who has some experience as a stage hypnotist and has taught himself psychic abilities, including telepathy. One night, Keane returns to his apartment and encounters a mysterious entity.
