In the updated, fourth edition of this classic text which has been translated into over a dozen languages, constitutional scholar and Columbia Law School professor E. Allan Farnsworth provides a clear explanation of the structure and function of the U.S. legal system in one handy reference. An Introduction to the Legal System of the United States, Fourth Edition is designed to be a general introduction to the structure and function of the legal system of the United States, and is especially useful for those readers who lack familiarity with fundamental establishments and practices.

宪法学者和哥伦比亚法学院教授E。艾伦·法恩斯沃思（Allan Farnsworth）在一个方便的参考资料中对美国法律体系的结构和功能作了明确的解释。《美国法律制度导论》第四版旨在对美国法律制度的结构和功能作一个概括性的介绍，对那些不熟悉基本制度和惯例的读者特别有用。