The lotus-born : the life story of Padmasambhava / composed by Yeshe Tsogyal ; revealed by Nyang Ral Nyima Oser ; foreword by His Holiness Dilgo Khyentse Rinpoche ; clarification of the life of Padmasambhava by Tsele Natsok Rangdröl ; translated from the Tibetan by Erik Pema Kunsang ; edited by Marcia Binder Schmidt