The Sixth Sense Reader

What is the sixth sense? Is it physical, mental or spiritual? Do we all possess it or is it unique to exceptional individuals? Might there be a seventh sense and an eighth sense as well? What role does culture play in determining the range of our perceptual abilities? The search for a supplementary sense has taken many directions and yielded numerous possibilities for an "additional faculty" of perception - from magnetism and movement to dreaming and clairvoyance. Stimulating reflection and...