This essay reviews four recent books on regional development and change. Taken as a group, these books illustrate the contribution of a wide range of disciplines and methods for studying regional development. The following essay presents their major arguments and conclusions. The advantages and disadvantages of their various methods are briefly discussed as well. Sources of Metropolitan Growth offers insights on the contribution of geographers and economists toward understanding locational factors that influence metropolitan growth and decline. The Rise of the Gunbelt and From Cotton Belt to Sunbelt provide historical analyses of how national policies influence regional development. The Pentagon and the Cities illustrates the contribution of multiple disciplines toward understanding effects of a federal policy.