sciences of ethnobotany and anthropology have served him well. As an explorer he takes in the whole glorious panoply of data about people and plants, medicine, language, landscapes, history, custom, and creation myths. He records it painstakingly. Then, he deftly makes sense of it. The motifs of an astonishing array of human cultures dazzle with colour and clarity. Intricate patterns of thought, belief, myth and tradition emerge. Davis calls this body of knowing the "ethnosphere." The ethnosphere is about those peoples of the earth whose essential humanity has been defined by the landscapes in which they are nurtured. For these people of the ice, the forests, the river deltas, the jungle, the desert sands, and the high mountain plateaus, daily life is both a precise and a fully variant exercise of knowledge and understanding - a long-accumulated wisdom that this world stands much in need of. "When asked the meaning of being human they respond with ten thousand different voices. It is within this diversity of knowledge and practice, of intuition and interpretation, of promise and hope, that we will all rediscover the enchantment of being what we are. . ." writes Davis. Of course, it isn't just science that happened to Davis on his way to the edges the world. Like all true pilgrims Davis has continually encountered within himself that intense inner dimension of spirit that is the nature of a human journey. In the enigmatic photographs of this book and the accompanying text, a reader can trace