The Collected Works of Ken Wilber: Volume One: The Spectrum of Consciousness, No Boundary, Selected Essays

Volume One of The Collected Works of Ken Wilber includes: . * The Spectrum of Consciousness (1977) - one of the founding texts of transpersonal psychology - introduces 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 Personal Growth (1979) is a simple yet comprehensive guide to psychologies and therapies available from both Western and Eastern sources. * Several important early articles: "The Psychologia Perennis," "Are the Chakras Real?" and "Where It Was, I Shall Become."