Among authors trying to bridge the gap between science and spirit, former astronaut Mitchell brings unique credentials. Originally scheduled for the ill-fated Apollo 13 mission, Mitchell, as told in this smooth blend of autobiography and exegesis, journeyed to the Moon in 1971 (and generated great controversy over ESP experiments he conducted on the flight). As he gazed on Earth, surrounded by blackness and an unfathomable number of stars, he experienced "an overwhelming sense of universal connectedness" that was to change his life. Within a few years, he had left NASA and founded the Institute of Noetic Sciences, aimed at the systematic study of the nature of consciousness. At the institute, he came to some fascinating conclusions, detailed here and based on principles of resonance, regarding a possible natural explanation for psychic powers. In later years, Mitchell has developed a "dyadic" model of paired opposites-mind/matter, life/death, etc. - that he also covers here and that...