Book reviewed in this article:The Geography of Modernization in Kenya: A Spatial Analysis of Social, Economic, and Political Change, by Edward W. Soja.Topics in Regression Analysis, by Arthur S. Goldberger.Systems Simulation for Regional Analysis: An Application to River‐basin Planning, edited by H. R. Hamilton, S. E. Goldstone, J. W. Milliman, A. L. Pugh, III, E. R. Roberts, and A. Zellner.Inadvertent Weather Modification: Report of the Study of Man's Impact on Climate (SMIC).Geographical Approaches to Canadian Problems, edited by R. Louis Gentilcore.Southwest: Three Peoples in Geographical Change, 1600–1970, by D. W. Meinig.Metropolitan Plan Making: An Analysis of Experience with the Preparation and Evaluation of Alternative Land Use and Transportation Plans, by David E. Boyce, Norman D. Day, and Chris McDonald.The Process of Model‐Building in the Behavioral Sciences, edited by Ralph M. Stogdill.The Urban Mosaic: Towards a Theory of Residential Differentiation, by Duncan Timms.The Black Ghetto: A Spatial and Behavioral Perspective, by Harold M. Rose.The Geography of Poverty in the United States, by Richard L. Morrill and Ernest E. Wohlenberg.