Horowitz (archaeology, Tel Aviv U.) and Israeli colleagues in geophysics and earth sciences combine geological, climatic, and anthropological evidence to offer a multidisciplinary perspective on the valley that since the early 19th century has been known as an important site of early hominid remains. They discuss the history of ideas and research, the valley's present state, the pre-neogene geology, the lithostratigraphy of the embryonic and eritrean stages, continuous sequences and unconformities, tectonic models and debates, the stratigraphy of the artifact- bearing sequences, and human paleoecology. c. Book News Inc.