A Practice of Padmasambhava - Essential Instructions on the Path to Awakening — by Sechen Gyaltsap IV and Rinchen Dargye
Two practical and compelling works related to a visualization and mantra practice of Padmasambhava.
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.
The Short Daily Practice of Mahakala — by Khenpo Karsang Tenzin
Two-Armed Bernakchen "Mahakala" Dharma Protector. The ultimately inseparable Dharma Protector Mahakala is the wrathful form manifested from all Buddhas and Bodhisattvas when they subdue the extreme degenerated sentient beings.
Deity, Mantra, and Wisdom - Development Stage Meditation in Tibetan Buddhist Tantra — by Jigme Lingpa, Patrul Rinpoche, and Getse Mahapandita Tsewang Chokdrub
This book contains eloquent and inspiring classic writings that lay out the central trainings on the path of Tantra. In particular, the use of visualization and sound in meditation practice. The texts included here are among the most widely studied commentaries from the Tibetan tradition.