pt. I. Interstate relations : origins, development and international law making -- Defining epochs -- Statehood and recognition -- International law making as an attribute of state sovereignty -- pt. II. Foundational principles and enforcement of international law -- The fundamental principles of the international legal order -- Maintaining international peace and security : the enforcement of international law -- pt. III. Jurisdiction and control over territory and persons -- Jurisdiction of states -- Treatment of aliens -- Extradition and deportations -- Refugees -- Diplomatic privileges and immunities -- pt. IV. The international law of human security -- International protection of human rights -- International human rights law -- International criminal law -- International trade and sustainable development -- Protection of international investments : selected contemporary aspects -- Legal protection of the environment.