Book reviewed in this article:British Land Policy at the Cape, 1795–1844‐a study of administrative procedures in the Empire, by LESLIE CLEMENT DULY.Uncertainty in Economics and Other Reflections, by G. L. S. SHACKLE. Cambridge University Press Library Edition (1968)Struggle for Growth: An enquiry into the Causes of Poverty and Prosperity of Nations, by L. N. BIRLA. Calcutta, World Press Private LimitedEconomics,3rd Editionby LLOYD G. REYNOLDS. Illinois, Richard D. IrwinSwaziland: Hulpbronne en Ontwikkeling. Deur G. M. E. LEISTNER en P. SMIT. (Pretoria, Mededelinge van die Afrika‐instituut van Suid‐AfrikaThe Bruges Money Market Around 1400, by RAYMOND DE ROOVER. Paleis der Academiën, BrusselConcentration and Price‐Cost Margins in Manufacturing Industries, by NORMAN R. COLLINS and LEE E. PRESTON. University of California Press, Berkeley and Los AngelesThe Economics of Unemployment Insurance, by MARK M. HAUSER and PAUL BURROWS, University of York Studies in Economics: 3, General Editors: A. T. PEACOCK and J. WISEMAN, GEORGE ALLEN and UNWIN LTD.Banques et banquiers dans les cités grecques, by R. Bogaert. Leyden: A. W. SYTHOFF, 1968Report of the Population Growth Estimation Experiment for 1962 and 1963. Pakistan Institute of Development Economics, Karachi 1968Agricultural development planning and implementation. (Israel case study), by R. WEITZ and A. ROKACH, D. Reidel publishing company, Dordrecht, HollandEssentials of Economics, by I. GLYN JONES, 4th edn. (Gee&Co., London, 1969)Long Fluctuations in Real Series of American Economy. By M. MELNYK. Printed series No. 9, Bureau of Economic and Business Research, Kent State University, Ohio, Undated.Economic Workbook and Data. By D. I. TROTMAN‐DICKENSON. Pergam