The Buddhist Path - A Practical Guide From the Nyingma Tradition of Tibetan Buddhism — by Palden Sherab and Tsewang Dongyal

Explanations and methods that reveal how the mind functions and what its essence is.

A Fearless Heart — by Thupten Jinpa

This book shows us how to train our compassion muscle to relieve stress, fight depression, improve our health, achieve our goals, and change our world.

The Introduction To The Commentary On The Great Perfection · The Nature of Mind, The Easer of Weariness Called The Great Chariot — by Longchenpa

Dzogchen or ati is the tradition that this teaching is part of, and also its fruition.

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.

The Wheel of Sharp Weapons - A Mahayana Training of the Mind — by Dharmaraksita

With Commentary by Geshe Ngawang Dhargyey

A Comprehensive Manual of Abhidhamma - The Abhidhammattha Sangaha  of Acariya Anuruddha — by Bhikkhu Bodhi

This is the classical introduction to the study of Abhidhamma - the Buddhist philosophy of mind and mental processes.

Fundamental Mind - The Nyingma View of the Great Completeness — by Mipham Gyatso

Khetsun Sangpo Rinbochay provides an illuminating, expansive, and practical commentary on Mi-pam-gya-tso's incisive work on the Great Completeness view of ultimate reality, called The Meaning of Fundamental Mind, Clear Light.

The Zen Teaching of Bodhidharma — translated by Red Pine

This bilingual edition, the only volume of the great teacher's work currently available in English, presents four teachings in their entirety. The original Chinese text, presented on facing pages, is taken from a Ch'ing dynasty woodblock edition.

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.