I thoroughly enjoyed this book, and found the writing easy to get along with as its written in narrative form that. Anthropologist Jeremy Narby steps off the plane and into Amazonian country. Here he tries the commonplace hallucinagenic ayahuasca. This plant gives Narby incredible insight into the human soul, body and nature of life. The author then gives his experience in as much detail as he could remember, then passing along the rest of his trip with conversations and whatnot. From here, he sets out to write his book. Although the author does sort of jump to conclusions that the double serpents he sees all over ancient mythology is the double helix of DNA (i.e. the medical symbol caduceus). Although in some cases I tend to agree with his point of view, and I find much of the ancient symbols of the past to correlate strongly with our modern psychology, mathematical sciences and biology. However, in his search, he does not let go of the idea, which may or not not help his cause. The book would have received 5 stars, if he stayed on top of his subject. He began with hallucinagenics in the Amazon, then to DNA, then neurology and smoking ingredients. He writes humbly knowing what he believes wont be taken to heart very lightly. There are no answers in this book, however many questions, pertinent questions no less, which makes this such a valuble and enjoyable book. Definately reccomended. Fans of Joseph Campbell may really enjoy this one.