Experiential journalist Rak Razam sets out to document the thriving business of 21st-century hallucinogenic shamanism starting with a trip to the annual Amazonian Shaman Conference in Iquitos, Peru, where he meets a motley crew of "spiritual tourists," rogue scientists, black magicians, and indigenous and Western healers and guides, all in town to partake of the ritual--and the medicine--of ayahuasca, "the vine of souls." Combining his personal story with the history of Amazonian shamanism, Razam takes the reader along on an entertaining, enlightening adventure.