This text by the great Nyingma master Mipham Rinpoche (1846 - 1912) comprehensively covers Buddha Shakyamuni’s teachings, exploring the different tenet systems in Tibetan Buddhism.  Lama Jampa has described it as an essential component of a dharma curriculum. 

On the last afternoon of the teachings, Lama Jampa will give the Green Tara from the lineage of Atisha