Tara's Enlightened Activity - An Oral Commentary on the Twenty-One Praises to Tara — by Palden Sherab and Tsewang Dongyal

Includes lots of advice on how to do the Tara practices by two exemplary Nyingma teachers.

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.

Gampopa - the Monk and the Yogi · His Life and Teachings — by Trungram Gyaltrul Rinpoche

In addition to a bibliography, appendices include a map and a table of place names related to Gampopa and tables summarizing the events in his life.

Ancient Wisdom · Nyingma Teachings on Dream Yoga, Meditation, and Transformation — by Gyatrul Rinpoche

Three Dzogchen root texts with commentaries. An indispensable handbook for practitioners at all levels of experience.

Generating the Deity — by Gyatrul Rinpoche

This work offers a detailed presentation of the generation stage practice of tantric deity yoga. These are step-by-step teachings on the genereation stage practices of deity yoga as they were practiced in Tibet.

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.

Daring Steps Toward Fearlessness · The Three Vehicles of Buddhism — by Ringu Tulku

This work draws on several venerable sources, ranging from Buddha's earliest teachings to a Vajayanna texts.

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.

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.