Whenever I mention to people that I have seen ghosts, I can depend on one of two opposite reactions.Some people will be fascinated and want to know more. Others will vehemently pooh-pooh the possibility of ghosts – either I’m deluded or I’m lying. There can be no such thing as ghosts!
Why I believe in ghosts: As the ‘Grey Lady’ of Dudley Castle is caught on camera, a respected and very level-headed literary critic gives his view

