Practical reasoning is the study of how to figure out what to do. It is of particular importance to ethics. Indeed, new developments in practical reasoning promise to break through long-standing ethical and moral dilemmas. Practical reasoning also has consequences for philosophy of mind, value theory, and the social sciences. This anthology provides an overview of this important area of philosophy.Over the past two decades the field of practical reasoning has changed rapidly, with a small number of entrenched positions giving way to a healthy profusion of competing views.