The second edition of this successful textbook provides a unique, systematic introduction to the principal theories in IR. Written by two internationally respected professors it has been fully revised to bring the study of IR up to date, and includes discussion of the impact of September 11. Introduction to International Relations combines incisive and original analysis with a clear and accessible writing style. It is the ideal textbook for all students taking an introductory course in International Relations or International Theory. Each chapter begins with a brief summary, and ends with a list of key points, study questions, a guide to further reading, and annotated weblinks. Book jacket.