Masters of Mahamudra - Songs and Histories of the Eighty-Four Buddhist Siddhas — by Keith Dowman
These eighty-four masters - some historical, some archetypal - accomplished this practice in India where they lived between the eighth and twelfth centuries. Leading unconventional lives, the siddhas include some of the greatest Buddhist teachers - Tilopa, Naropa, and Marpa among them.
Pointing Out the Great Way - The Stages of Meditation in the Mahamudra Tradition — by Daniel P. Brown
This book is a spiritual manual that describes the Tibetan Buddhist meditation known as mahamudra from the perspective of the 'gradual path'. Represents the needed alternative by integrating material from a variety of root texts and practical manuals.