Pp. xvi; 191; frontispiece photo of the Koobi Fora spit, 28 full-page black-and-white plates of hominin specimens, 68 text-figures, 38 tables. Publisher's original black cloth with the spine is lettered in gilt, pictorial brown dust jacket that is lettered in yellow and white, 4to. This volume introduces the Koobi Fora Research Project, a multidisciplinary project involving a a large number of scientists investigating many aspects of early man living to 1 to 3 million years ago on the shores of Lake Turkana, northern Kenya. The book is divided into 5 chapters. The first chapter gives a brief review of the history of the project and introduces various aspects of the research. Chapters 2-4 introduce the geology (the history of sedimentation of the lake and its stratigraphy, the paleontology (the fossil vertebrates and invertebrates and the paleo-flora), and the archaeology (the artifact assemblages and their implications in relation to hominin behavior). Chapter 5 provides a catalogue of the fossil hominins discovered between 1968 and 1974, with a short discussion of their taxonomy (from the jacket flap). No ownership marks and no signs of use.