This important research review examines the most significant and instructive articles relating to comparative law methodology. They offer vast and comprehensive coverage of practices, principles, methods and sources in comparative legal research. The first section deals with preliminary considerations such as the aims of research and the questions one should ask, as well as how to select objects for comparison and formulate a research plan. The second part focuses on the comparative research of regulation, description, and explanation, along with discussion on functionalism, quantitative approaches, translation issues, legal transplants and global challenges. This review offers a balanced discussion of the seminal research which will benefit legal scholars, students, and all who are undertaking, or seeking to evaluate, comparative legal research.