"The Turn of the Screw" by Henry James is a gothic horror novella published in 1898. A young governess arrives at a remote country estate to care for two children, only to become convinced that supernatural forces haunt the grounds. As she witnesses mysterious figures and grows increasingly alarmed by the children's behavior, the line between reality and imagination blurs. This unsettling tale has captivated readers for over a century with its deliberate ambiguity, leaving the true nature of the horror chillingly uncertain.