offers a fresh and penetrating examination of two of the most celebrated modern legal theorists: HLA Hart and Ronald Dworkin. The book explains the relations between these two scholars and other theorists and schools of thought (including Max Weber, Lon Fuller, and the law and economics movement), offering both novices and experts an innovative and lucid look at modern legal theory. The book is written in an engaging and conversational style, tackling highly sophisticated issues in a concise and accessible manner. Undergraduates in jurisprudence and legal theory, as well as more advanced readers, will find it clear and challenging.