A Theory of Justice,\u27 John Rawls\u27s new book on social and legal philosophy, appears likely to become a monument of systematic thought comparable to Locke\u27s Second Treatise of Government and Mill\u27s Utilitarianism. It provides answers systematically to the most difficult questions of our time and promises to shape the thought and action of men for many years. Daniel Bell, a noted social scientist, has said that in Rawls we can observe the development of a political philosophy which will go far to shape the last part of the 20th Century, as the doctrines of Locke and Smith molded the 19th. \u27 ... This Review, intended to introduce Rawls\u27s thought to the broad legal community, will describe the structure of A Theory of Justice...