Book Reviews : Sage International Yearbook of Foreign Policy Studies. Volume I. Edited by PATRICK J. McGOWAN. (Beverly Hills: Sage Publications, 1973, Pp. 336. $7.00.) The International Yearbook of Foreign Policy Analysis, Volume I. Edited by PETER JONES. (New York: John Wiley and Sons, A Halstead Press Book, 1974, Pp. 213, $17.95.) The Yearbook of World Affairs, 1974. Volume 28. Edited by GEORGE W. KEETON and GEORG SCHWARZENBERGER. (New York: Praeger Publications, 1974. Pp. 324. $19.50.)