Download or read book The Spectrum of Consciousness written by Ken Wilber and published by Quest Books. This book was released on 2012-12-19 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wilber's groundbreaking synthesis of religion, philosophy, physics, and psychology started a revolution in transpersonal psychology. He was the first to suggest in a systematic way that the great psychological systems of the West could be integrated with the noble contemplative traditions of the East. Spectrum of Consciousness, first released by Quest in 1977, has been the prominent reference point for all subsequent attempts at integrating psychology and spirituality.