The teachings of Dzogchen which directly introduces the practitioner to the Nature of Mind were first expounded by Garab Dorje in the country of Uddiyana and later went to India and Tibet. The essence of Garab Dorje's message is "The Three Statements that Strike the Essential Points." Patrul Rinpoche wrote a brilliant commentary together with practices entitled "The Special Teaching of the Wise and Glorious King"--here translated with notes, commentaries, and glossary of terms. "In many ways the best guide to the Dzogchen teachings. Includes explanations of texts that were previously thought too secret to publish.
http://thepiratebay.org/tor/3578667/The_Golden_Letters_%5Btibetan_buddhism__meditation%5D.pdf
