The Widow’s Ghost by Alim Mondal

The Widow’s Ghost is a horror mystery about a lonely house on Blackthorn Hill. Long ago a widow named Eleanor lived there after her husband disappeared on a stormy night. People whispered she was cursed and made dark deals. Years later a writer named Daniel moves into the empty house. At first he does not believe in ghosts but soon he hears whispers, sees shadows, and meets the spirit of the widow. The truth he discovers is darker than he ever imagined and the curse of the necklace follows him even after he leaves the house.