This volume investigates the complex evolution of maritime legal principles and the shifting boundaries of national jurisdiction over ocean resources. D. P. O'Connell, a recognized authority in international law, synthesizes historical doctrine with the contemporary challenges posed by the United Nations Third Conference on the Law of the Sea. The text provides a rigorous examination of how traditional concepts of freedom of the seas have been challenged by modern claims regarding territorial waters and the seabed.

Legal scholars and practitioners frequently cite this work as a foundational reference for understanding the transition of maritime law during the late twentieth century. Experts highlight the author's meticulous attention to detail and his ability to navigate the dense, evolving landscape of international treaties.