What the Clairvoyant senses in Simple Clairvoyance. Perception of the Aura, and Auric Emanations of others; Psychic Vibrations; Astral Colors; Thought Currents, Waves and Vibrations, etc., are features of Simple Clairvoyance. The beautiful kaleidoscopic spectacle of the Auric changes. The Prana Aura, and its appearances. The Mental and Emotional Aura, and its many interesting phases. Perception of Astral Thought-Forms. Other Astral Phenomena. The Astral World, and its Myriad Manifestations. Strange aspects of Astral Visioning. "Seeing through a Brick-wall." The X-Ray Vision. Reading from closed books, sealed envelopes, etc., and how it is explainable. Seeing into the depths of the earth, and the occult explanation thereof. The Laws and Principles of this Extraordinary Power. Magnifying and Diminishing Clairvoyant Vision. A wonderful field for experiment opened out for the student.