An authoritative treatise on the use, history, culture, and art of the sacred plant medicine Ayahuasca. Ayahuasca is the strongest shamanic plant medicine. Brewed from the combination of the Amazonian vine, Banisteriopsis caapi, and leaves from the plant, Psychotria viridis, Ayahuasca creates sweeping visual and mentally startling effects. For many of the indigenous cultures of the Amazonian basin, Ayahuasca is central to their culture, revealing to mankind its role in the universe and the true nature of reality. Used properly, Ayahuasca provides healing and integration with nature and...