Surveys what has been happening in the various fields concerned with human prehistory.

The Origin of Humankind is Richard Leakey's final statement on human evolution. Deriving its power from the author's unquestioned authority in the field of paleontology, and enriched by his new interest in wildlife, this book answers the question: What made humans human? Leakey argues that when one of our hominid ancestors acquired the ability to walk upright (called "bipedalism"), the evolution of modern humans became possible, perhaps even inevitable....

Presents Charles Darwin's 1859 text in which he defines his theory of evolution, arguing that species change over time, evolving or dying out entirely, through the process of natural selection.