Book Reviews : POWER IN MOVEMENT: SOCIAL MOVEMENTS,COLLECTIVE ACTION AND POLITICS CAMBRIDGE STUDIES IN COMPARATIVE POLITICS Sidney Tarrow Cambridge and New York,Cambndge Univer sity Press,1994,x,251 pp,$34.95 (paperback)

Book Reviews : POWER IN MOVEMENT: SOCIAL MOVEMENTS,COLLECTIVE ACTION AND POLITICS CAMBRIDGE STUDIES IN COMPARATIVE POLITICS Sidney Tarrow Cambridge and New York,Cambndge Univer sity Press,1994,x,251 pp,$34.95 (paperback)