Participatory Spirituality for the 21st Century
Of related interest is a book by esotericist and Gurdjieffian William Patrick Patterson: The Life and Teachings of Carlos Castaneda.
I kind of think that dude over at reality sandwich is the modern day Castaneda. Apparently, some Amazonian shamans are on a evangelical mission with Ayahuasca. Travelling the world spreading the psychedelic gospel in the hope that humanity might save itself with the revelations that this brew gives.