Subhuti has led meditation retreats in Europe, the United States, and India on the Buddhist texts of the Yogacara Abhidharma, the source of this system of mind training. This book represents the crystallization of that teaching experience. Subhuti uses the perennial wisdom of the Abhidharma to illuminate mental patterns, and so draws a map of the mind that helps us first to recognize and then to transform our inner world and our lives. joined the Triratna Buddhist Order in 1973 and has since devoted himself to the practice and teaching of Buddhism. Based in north Wales, he spends part of each year in India, leading retreats and giving lectures. He is the author of , , and .