This is a resource that explains exactly what meditation is, teaches four traditional techniques, and elucidates the physiological and psychological benefits of meditation. It is suitable for those wanting to learn how to meditate, those needing direction in their practice, and as a guide for teachers of the subject. Richard Tunis forty years of research and personal experience are eloquently expressed in this comprehensive treatise that demystifies and sheds light on meditation. In his quest to fathom the full depth of meditation, Richard travelled to India on several occasions. He has taught the science and practice of meditation in Canada, India, and Japan.