This excellent classroom-proved material contains self-instructional research exercises, which can be completed by the student and monitored by the instructor. This book provides a clear and concise introduction to legal research, including narrative introductions to the basic primary and secondary sources with which students must become familiar, and online, practical exercises, such as multiple choice, true-false, library simulation exercises, and actual library exercises. This edition offers significantly expanded coverage of source materials and of specialized research in Constitutional Law, United States treaties, and International Law. Each chapter also includes explanations of LexisNexis and Westlaw usage.