Believers is a scientist's answer to attacks on faith by some well-meaning scientists and philosophers. It is a firm rebuke of the "Four Horsemen"--Richard Dawkins, Daniel Dennett, Sam Harris, and Christopher Hitchens--known for writing about religion as something irrational and ultimately harmful. Anthropologist Melvin Konner, who was raised as an Orthodox Jew but has lived his adult life without such faith, explores the psychology, development,...