First published in 1998, this is an adventure in science and imagination. Narby researched the Peruvian Indians' claim that their phenomenal knowledge of plants and biochemical interactions was communicated to them directly whilst under the influence of the plant-derived hallucinogen and concludes t...

First published in 1998, this is an adventure in science and imagination. Narby researched the Peruvian Indians' claim that their phenomenal knowledge of plants and biochemical interactions was communicated to them directly whilst under the influence of the plant-derived hallucinogen and concludes that those claims are literally true.