""Spiritualism: A Satanic Delusion, And A Sign Of The Times"" is a book written by William Ramsey in 1856. The book is a critical examination of the spiritualist movement that was prevalent during the mid-nineteenth century. The author argues that spiritualism is a false and dangerous belief system that is rooted in Satanism. He asserts that spiritualist practices, such as s�����ances and mediumship, are not only...