Building on the strengths of the third edition, this highly regarded textbook continues to provide the best introduction to the strategies of comparative research in political science. Divided into three parts, the book begins by examining different methods, applying these methods to dominant issues in comparative politics using a wealth of topical examples from around the world, and then discusses the new challenges in the area. This thoroughly revised and updated edition features: Additional contemporary case studies including the democratisation of technology and the Arab Spring; Detailed discussion of regression analysis and diffusion; More analysis of justice, inequality, and compliance; Reflection on new methods and treatments of contemporary comparative politics. Balancing reader friendly features with high quality analysis makes this popular academic text is essential reading for everyone interested in comparative politics and research methods.