This is a book on metaethics and moral epistemology. It asks two fundamental questions: (i) Is there any such thing as (non-relative) moral truth?; and (ii) If there is such truth, how do we come into epistemic contact with it? Roughly the first half of the book is aimed at answering the first question. Its animating idea is that we should take our ordinary, tutored moral judgments seriously—judgments typified by our conviction that it is clearly true that some acts, policies, social norms et al. are morally right or wrong, permissible or impermissible, praiseworthy or condemnable, etc., no matter when, where, or by whom they are performed. In order to provide a firm conceptual basis for such judgments, the book develops a theory of moral t...