Bernard Gert's moral theory is among the clearest and most comprehensive on the contemporary scene. It touches on elements of the dominant ethical orientations---utilitarianism, Kantianism, contractionism, and virtue ethics--without fitting neatly into any of those categories. For that reason, Gert's moral theory appeals to many ethicists dissatisfied with each of the dominant formulations. Rationality, Rules, and Ideals presents Gert's Morality, the reactions by a number of prominent scholars, and Gert's response. All told, it is a remarkably wide-ranging study of ethical theory. The work is...