Ever since the publication of his first book,The Spectrum of Consciousness,written when he was twenty-three, Ken Wilber has been identified as the most comprehensive philosophical thinker of our times. This introductory sampler, designed to acquaint newcomers with his work, contains brief passages from his most popular books, ranging over a variety of topics, including levels of consciousness, mystical experience, meditation practice, death, the perennial philosophy, and Wilber's integral approach to reality, integrating matter, body, mind, soul, and spirit. Here is Wilber's writing at its most reader-friendly, discussing essential ideas of the world's great psychological, philosophical, and spiritual traditions in language that is lucid, engaging, and inspirational.