The Unesco Yearbook on Peace and Conflict Studies 1981 is the second annual Unesco yearbook and contains the latest information on peace and conflict studies. Part I, "Trends and Approaches in Peace and Conflict Studies," includes essays which discuss the scope and priorities in peace research, the methodology of peace research in the USSR, the role of women in peace research, and the reorientation of the empirical study of international conflict. Part II is a bibliographical essay, the subject of which is non-violent action and civilian defense. Part III, "Unesco Meetings Concerning Peace and Conflict," lists and reports on Unesco's activities. The focus in 1981 is on the World Congress on Disarmament Education. Part IV surveys institutional developments in peace research, reporting on international organizations, regional groups, and national institutions in numerous countries. The annual publication of Peace and Conflict Studies will aid the study of international relations from a historical-developmental perspective.