A terrified scream echoed around the walls of the cramped cottage. The cries were those of 18-year-old Esther Cox and the moment would mark the beginning of one of the world's most notorious unsolved cases of poltergeist activity on record. The writer and actor, Walter Hubbell spent several weeks living with the family in the haunted house and carefully documented the terrifying and life-threatening events. The accounts, reported in newspapers at the time and then more fully in Hubbell's book, gripped readers around the world. Witnessed by hundreds of people over the course...