Book Review: Power and Crisis in the City: Corporations, Unions and Urban Policy by ROGER FRIEDLAND. London: Macmillan. 1982. pp. 248. £14.00 H/B; £5.95 P/B Community Planning and Conceptions of Change by PETER MARRis. Henley-on-Thames: Routledge and Kegan Paul. 1982. pp. 140. £9.95 Urban Political Economy and Social Theory edited by RAY FORREST, JEFF HENDERSON and PETER WILLIAMS. Aldershot: Gower. 1982. pp.220. £12.50