Some suggested reading…
Acceptance of What Is: A Book About Nothing — Wayne Liquorman, Catherine Asche
Advaita Press (March 1, 2000). ISBN: 0929448197
An Extraordinary Absence — Jeff Foster
Non-Duality Press (October 1, 2009). ISBN: 978-0956309105
Awareness: The Perils and Opportunities of Reality — Anthony De Mello (Ed. J. Francis Stroud)
Image Books (June 1, 1990). ISBN: 0385249373
Basic Teachings of the Buddha — Glenn Wallis
Modern Library Pbk. Ed edition (August 14, 2007). ISBN: 0812975235
Buddhism Without Beliefs — Stephen Batchelor
Riverhead Trade (March 1, 1998). ISBN: 1573226564
Confession of a Buddhist Atheist — Stephen Batchelor
Spiegel & Grau (March 8, 2011). ISBN: 9780385527071
Dzogchen – The Self-Perfected State — Namkhai Norbu, Chogyal, Clemente, Andriano, John Shane
Shambhala Publications Inc (1 May 2003). ISBN: 1559390573
Essential Sangharakshita (The) — Urgyen Sangharakshita
Wisdom Publications (January 6, 2009). ISBN: 9780861715855
Living with the Devil — Stephen Batchelor
Riverhead Trade (June 7, 2005). ISBN: 9781594480874
Mastering the Core Teaching of the Buddha — Daniel Ingram
Aeon Books (December 2008). ISBN: 1904658407
Perfect Brilliant Stillness — David Carse
Paragate Publishing (September 1, 2005). ISBN: 0976578301
Rebel Buddha – A Guide to a Revolution of Mind — Dzogchen Ponlop
Shambhala Publications Inc (1 September 2011). ISBN: 1590309294
Simply Being: Texts in the Dzogchen Tradition — James Low
Antony Rowe Publishing Services; 3rd edition (October 1, 2010). ISBN: 1907571019
Spiritual Enlightenment: The Damnedest Thing — Jed McKenna
Wisefool Press (1 Nov 2002). ISBN: 978-0971435230
Trust in Mind — Mu Soeng, Jan Chozen Bays
Wisdom Publications (June 15, 2004). ISBN: 0861713915