The author believes it will be found that there are not many of the major problems of society that are not discussed by one or the other of the nine thinkers under review in this volume. The relation of Church to State; the relation of State to individual; the relation of ethics to politics; the relation of politics to law; the bases of political authority; the rights of the subject; the conflict between principle and expediency - all these and many others are discussed in detail by one or more of the thinkers. St. Augustine; Wycliffe; Machiavelli; Grotius; Bolingbroke; Rousseau; Burke; Austin; Spencer.