Since the late 1960s, US national park officials have adhered to a natural regulation policy of wildlife, which entails the barest intervention. The committee was convened to evaluate that policy and its consequences regarding ungulates hoofed animals in the northern range of Yellowstone National Park. They deal only with the scientific dimensions, leaving for others the sociological, economic, and aesthetic aspects. Annotation c. Book News, Inc., Portland, OR (booknews.com)