A compilation of ancient Dzogchen teachings, transmitted by the master Tapihritsa and beautifully translated along with hagiographies of ancient masters and explanations of the preliminary ngondro practices of the Bon tradition.
The Precepts of the Dharmakaya is a translation of a root text and its commentary from the Zhang Zhung Nyan Gyud, with advanced instructions on the practice of Bonpo Dzogchen meditation.