THE BOOK The Dani group, centered in the Baliem Valley, has long taken the world's attention. It is by far the best-known ethnic group in West New Guinea, ever since its discovery by the aptly named American explorer Richard Archbold in 1938. While some Dutch groups had passed close by during previous nears, none had seen the valley itself with its high population of 50,000 to 100,000. The flat, fertile valley bottom was expertly farmed with irrigation...