Richard Leakey's personal account of his fossil hunting and landmark discoveries at Lake Turkana, his reassessment of human prehistory based on new evidence and analytic techniques, and his profound pondering of how we became "human" and what being "human" really means.

The partial skeleton of Homo erectus found in Kenya by Alan Walker, Richard Leakey, and others is truly one of the great discoveries in paleoanthropology, after the world's best paleoanthropologists have diligently searched for traces of Homo erectus in Africa and Asia for a century. In this book, the authors present descriptions and photographs of all parts of the skeleton and accompany these with a thorough analysis. It consists of three parts. The first part covers the geology, dating, paleoenvironments, and the taphonomy of the site. The second part is a description of the specimen and a...