The Collected Works of Ken Wilber: Volume One: The Spectrum of Consciousness, No Boundary, Selected EssaysAuthor Contributor(s): Wilber, Ken Publisher: Shambhala Date: 12 28 1999 Binding: Paperback Condition: NEW Volume One of The Collected Works of Ken Wilber includes: The Spectrum of Consciousness (1977)one of the founding texts of transpersonal psychologyintroduces the full spectrum model, showing how the psychological systems of the West can be integrated with the contemplative traditions of the East. No Boundary: Eastern and Western Approaches to