Visuddhimagga - The Path of Purification - The Classic Manual of Buddhist Doctrine and Meditation  by Buddhaghosa

One of Buddhism's foundational texts, a systematic examination and condensation of Buddhist doctrine and meditation technique.

Mindfulness With Breathing - A Manual for Serious Beginners  by Buddhadasa Bhikkhu

The author provides practitioners with penetrating insights into the canonical text which many believe is the most direct transmission of Shakyamuni Buddha's breath meditation methods.

Longchen Nyingtig - A set of Dzogchen practices and prayers by Jigme Lingpa

These works looks at a seminal figure of this lineage, Jigme Lingpa - an eighteenth-century Buddhist scholar and meditation master whose cycle of teachings - the Longchen Nyingtig - has been handed down through generations as a complete path to enlightenment.

Tibetan Zen - Discovering a Lost Tradition  by Sam van Schaik

The stories told by the Dunhuang cave manuscripts. A groundbreaking study of the lost tradition of Tibetan Zen containing the first translations of key texts from one thousand years ago.

Life and Teachings of Tsong Khapa  edited by Prof. R. Thurman

This work brings together a number of extremely important and useful works by and on Tsongkhapa touching transcendental aspects of Sutra, Tantra and Insight Meditation, including mystic conversations with great Bodhisattvas and deeply spiritual songs.

The Heart Treasure of the Enlightened Ones - The Practice of View, Meditation, and Action — by Dilgo Khyentse & Patrul Rinpoche

In this book, two great Tibetan Buddhist masters of the nineteenth and twentieth centuries challenge us to critically examine our materialistic preoccupations and think carefully about how we want to spend the rest of our lives.

Pure Appearance - Development and Completion Stages in Vajrayana Practice — by Dilgo Khyentse

This work explains the structure of the tantric path and how its stages are put into practice, in terms that apply generally across the spectrum of deity practices. It offers an overview of Tibetan tantric practice that explains its concepts, clarifies its terminology, and shows how its myriad pieces fit together, including an extensive teaching on the bardos.

Golden Letters - The Three Statements of Garab Dorje, First Dzogchen Master

The teachings of Dzogchen, which directly introduces the practitioner to the Nature of Mind, first expounded by Garab Dorje in the country of Uddiyana and later went to India and Tibet.

The Excellent Path to Enlightenment - Oral Teachings on the Root Text of Jamyang Khyentse Wangpo — by Dilgo Khyentse Rinpoche

This book explains a key practice text composed by Jamyang Khyentse Wangpo (1820–1892) on the Vajrayana preliminaries.

The Precious Treasury of Pith Instructions — by Longchenpa

Distills the principles underlying the entire range of Buddhist practice in more than 400 stanzas, each consisting of six instructions or pieces of advice.