The Problems of Psychical Research is a Book of Philosophy. The book describes that Psychical Research a Science? Investigating Psychical Phenomena; Life, and its Interpretation; Human Will is a Psychical Energy; Modern Dissection of the Human Mind; Psychic Photography; Hallucination and the Physical Phenomena of Spiritualism; Problems of Telepathy; Uses and Abuses of Mind Cure; Psychology of the Ouija Board; Witchcraft, Its Facts and Follies; Scientific Truths Contained in Fairy Stories.