Book Reviews : The Structure of the International Environment. Vol. IV of "The Future of the International Legal Order." Edited by CYRIL E. BLACK and RICHARD A. FALK. (Princeton: Princeton University Press,1972. Pp. xvi,637. $17.50 cloth $9.50 paper.)

Book Reviews : The Structure of the International Environment. Vol. IV of "The Future of the International Legal Order." Edited by CYRIL E. BLACK and RICHARD A. FALK. (Princeton: Princeton University Press,1972. Pp. xvi,637. $17.50 cloth $9.50 paper.)