Title: Nal gso skor gsum, ran grol skor gsum, and snags kyi spyi don structured presentations of nyingmapa dzogchen theory and practice
Description: Trilogy of Natural Ease (ngalso korsum) and Trilogy of Natural Freedom (rangdrol korsum) are Dzogchen instructions by Longchen Rabjam Drime Ozer (1308-1364). Reprinted from the Adzom Drukpa Chogar woodblock edition, which is widely thought to be the best edition of Longchenpa's works.