Book excerpt: The Three Levels of Spiritual Perception is a revised edition of the classic guide to the Lamdre, a key system of meditation of the Sakya tradition of Tibetan Buddhism. Written by one of the first Tibetan masters to live and teach in the United States, it is rendered in a lyrical style that entertains, inspires, and motivates the reader. A key work for all those who are eager to develop and deepen their meditation practice.