Dr Yang's book deals with the port and coastal State's jurisdiction over foreign merchant ships as well as with the rights and duties of these ships in the internal waters and in the territorial sea. The international law is rather different in both situations. Despite the fact that it faces a number of issues such as, for example, a contested right of access to ports or conditions for port access requirements, the law of foreign merchant ships in internal waters has never been codified. On the other hand, already the League of Nations considered the law of the territorial sea as appropriate...