"Luigi Luca Cavalli-Sforza was among the first to ask whether the genes of modern populations contain a historical record of the human species. Cavalli-Sforza and others have answered this question - anticipated by Darwin - with a decisive yes. Genes, Peoples, and Languages comprises five lectures that serve as a summation of the author's work over several decades, the goal of which has been nothing less than tracking the past 100,000 years of human...