Elizabeth Gaskell's chilling Gothic tales blend the real and the supernatural to eerie, compelling effect. 'Disappearances', inspired by local legends of mysterious vanishings, mixes gossip and fact; 'Lois the Witch', a novella based on an account of the Salem witch hunts, shows how sexual desire and jealousy lead to hysteria; while in 'The Old Nurse's Story' a mysterious child roams the freezing Northumberland moors. Whether darkly surreal, such...