Serving as a single volume introduction to the field as a whole, this ninth edition ofBrownlie's Principles of International Lawseeks to present international law as a system that is based on, and helps structure, relations among states and other entities at the international level.Brownlie's Principles of Public International Lawhas been shaping the study and application of international law for over 50 years. Serving as a single-volume introduction to the field as a whole, the book is one of the classic treatises on international law, now fully updated to order to take account of recent developments. It includes extensive references in order to provide a solid foundation for further research.Authored by James Crawford, the ninth edition further secures the work as the essential international law text for students and practitioners.Part I: Preliminary Topics1. Introduction2. The sources of international law3. The relations of international and national lawPart II: Personality and Recognition4. Subjects of international law5. Creation and incidence of statehood6. Recognition of states and governments7. International organizationsPart III: Territorial sovereignty8. Forms of governmental authority over territory9. Acquisition and transfer of territorial sovereignty10. Status of territory: further problemsPart IV: Law of the Sea11. The territorial sea and other maritime zones12. Maritime delimitation and associated questions13. Maritime transit and the regime of the high seasPart V: The Environment and Natural Resources14. Common spaces and co-operation in the use of natural resources15. Legal aspects of the protection of the environmentPart VI: International Transactions16. The law of treaties17. Diplomatic and consular relations18. Unilateral acts, acquiescience, and estoppel19. Succession to rights and dutiesPart VII: State Jurisdiction