Another author in the Spiritualist movement , Sir Arthur Conan Doyle included a chapter about Spiritism in his book `` History of Spiritualism '' , in which he states that Spiritism is Spiritualist , but not vice versa .
Arthur Conan Doyle included a chapter about Spiritism in his book `` History of Spiritualism '' . This said that Spiritism is Spiritualist ( but not vice-versa ) .