198.Seas have given risen to a hot issue in international affairs, especially for coastal states. It is of paramount significance to establish and improve international marine order for the peaceful utilization and protection of the sea. Known as “the constitution of oceans”, the United Nations Convention on the Law of the Sea (UNCLOS) is a vital embodiment of international marine laws. This book introduces the formulation process of UNCLOS and China’s role in it, briefs on its contents and the principles on which it is based, and discusses how to use UNCLOS to understand and resolve maritime issues concerning China. This book is informative, authoritative, and readable.