A Lamp to Illuminate the Five Stages · Teachings on Guhyasamaja Tantra — by Tsongkhapa - translated by Gavin Kilty (Library of Tibetan Classics - Volume 15)

Covers the subtle human physiology of channels and winds along with the process of dying, bardo and rebirth.

The Book of Kadam — Attributed to Atisa and Dromtonpa · Library of Tibetan Classic - volume 2

This work is a landmark in the study of Tibetan culture in general and Tibetan Buddhism in particular. Undisputedly one of the greatest works.

Mind Training - The Great Collection — compiled by Shonu Gyalchok and Konchok Gyaltsen, translated by Thupten Jinpa (Library of Tibetan Classic - volume 1)

The volume contains forty-four individual texts, including the most important works of the Lojong cycle, together with the earliest commentaries on these seminal texts.

Original Perfection - Vairotsana's Five Early Transmissions — by Keith Dowman

The root of Dzogchen - main practice of the Nyingma school of Tibetan Buddhism. Sparkling translation and commentary provide insight and historical background.

Flight of the Garuda - A Complete Explanation of Thorough Cut by Zhabkar — translated by PKTC

A series of 23 songs sung by the Dzogchen master for the sake of his students. The songs explain Trekcho - one of the two innermost practices of Dzogchen.