Elsie’s father, a keen amateur photographer who developed the prints, never doubted they were fakes, his wife Polly was a believer and in 1919 she took prints of the two photographs to show members of the Theosophical Society in Bradford where they were giving a lecture on fairy life. From there things spiralled out of control, first through the enthusiastic belief of leading society member Edward Gardner, who used photography expert Harold Snelling to produce photographic prints of them to be sold at Gardner’s theosophical lectures in 1920. It was during 1920 that Conan Doyle, a committed and leading spiritualist...