This insightful research review provides an analysis of the modern literature on foreign relations law. The topics explored include; the history of foreign relations law, the role of the courts in adjudicating foreign affairs disputes, executive power over foreign affairs, the domestic status of treaties, the phenomenon of executive agreements, the judicial application of customary international law, and the distribution of authority over war powers. The review provides a unique birds-eye view of the entire field and promises to be an invaluable tool for academics as well as a fascinating read for those interested in the subject.