Eben, Alexander: Proof of Heaven A Scientist’s case for the afterlife
Fox, Mark: Spiritual Encounters with Unusual Light Phenomena: Lightforms (University of Wales Press).
Geiger, John: Chapel of Extreme Experience (Soft Skull Press).
Mavromatis, Andreas: Hypnagogia: The Unique State of Consciousness Between Wakefulness and Sleep (Routledge).
Ring, Kenneth: Mindsight: Near-Death and Out-of-Body Experiences in the Blind (Universe, 2008).
Ring, Kenneth: Lessons from the Light: What We Can Learn from the Near-death Experience (Moment point Press, 2006)
Peake, Anthony: Is There Life After Death? (Chartwell Books).
Peake, Anthony: The infinite Mindfield
Peake, Anthony: The Out-Of-Body Experience: The History and Science of Astral Travel (Watkins Pub Ltd).
Strassmann, Rick: DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences (Park Street Press).
Van Lommel, Pim: Consciousness Beyond Life: The Science of the Near-Death Experience (HarperOne).
Ustinova, Yulia: Caves and the ancient greek mind (Oxford University press 2009).