The conventional wisdom in contemporary social science claims that human races are not biologically valid categories. Many argue the very words ' race and racial differences should be abolished because they support racism. In Race, Vincent Sarich and Frank Miele challenge both these tenets. First, they cite the historical record, the art and literature of other civilizations and cultures, morphological studies, cognitive psychology, and the latest research in medical genetics, forensics, and the human genome to demonstrate that racial differences are not trivial, but very real. They...