This updated 11th edition has been updated as a softcover. It is not an International edition, Instructors edition, etc. The best text for teaching students to think analytically about American politics. In this major revision, new co-author Stephen Ansolabehere sharpens the contemporary analytical perspective in the political behavior chapters, and a new primer on “Analyzing Evidence” in Chapter 1 sets the stage for sections in every chapter that highlight the political science behind the findings reported in the text. Throughout the book, the authors have integrated the popular Five Principles of Politics framework more deeply into each chapter’s analysis.