A survey of five centuries of writings on the world's great shamans-the tricksters, sorcerers, conjurers, and healers who have fascinated observers for centuries.
This collection of essays traces Western civilization's struggle to interpret and understand the ancient knowledge of cultures that [...]

This adventure in science and imagination, which the Medical Tribune said might herald "a Copernican revolution for the life sciences," leads the reader through unexplored jungles and uncharted aspects of mind to the heart of knowledge. In a first-person narrative of scientific discovery that opens [...]

In the Amazon, shamans do not talk in terms of hallucinogens but of tools for communicating with other life-forms. Ayahuasca, for example, is first and foremost a means of breaking down the barrier that separates humans from other species, allowing us to communicate with them. The introduction of pl[...]