Wittgenstein's philosophical achievement lies in the development of a new philosophical method rather than in the elaboration of a particular philosophical system. This method involves a totally new way of looking at philosophical problems, a method which Paul Johnston applies to the central problems of moral philosophy questions such as whether there can be truth in ethics, or what objectivity might mean in this context. The first serious and rigorous to apply Wittgenstein's method to ethics, this important piece of scholarship throws new light on both Wittgenstein's work and moral philosophy generally. The conclusions generated differ radically from those dominating modern discussions of ethics. In fact, considerations of contemporary moral philosophy reveals a surprising discrepancy between the ethical concepts employed in everyday moral decision-making and the way in which these are discussed in philosophy.