Principia Ethica : With the Preface to the Second Edition and Other Papers; Revised Edition
by G. E. Moore, Thomas Baldwin, Professor of Philosophy & Fellow G E Moore
Category: Philosophy

Recognized as the definitive starting point for twentieth-century ethical theory, the text is reprinted with the previously unpublished preface Moore wrote for a planned, but never completed, second edition. "Free Will" and "The Conception of Intrinsic Value" are also included from his later ethical writings.