The only undergraduate Congress text written from a rational-choice perspective.Analyzing Congress provides students with the basic analytical tools for understanding congressional politics. In addition to introducing the fundamental concepts and theory, the text includes many empirical cases drawn from the classic Congress literature and from recent developments in Congress. For the Second Edition, new cases and updated data figures have been added throughout the text, expanded problem sets and conceptual questions now appear at the end of every chapter, and the presentation of the spatial model in Chapter 1 has been revised to make it more teachable to undergraduates.