International law is archipelagic. Alongside “islands” of effective international law, you find offshore zones in which law is either undeveloped or manifestly ineffective or in which different norms, different arrangements and even unrestrained “political” factors are operating. Lawyers who work in these zones, whether on behalf of State and non-State actors, require different modes of thinking. They must be able to locate themselves in unstable decision processesby deploying appropriate legal tools and mapping schema; to identify the factors influencing decision, distinguishing the...

This rich volume is an homage to the significant impact Professor Siegfried Wiessner has had on scholarship and practice in many areas of international and domestic law. Reflecting the depth and breadth of his writings, it is a collection of thought-provoking, original essays, exploring topics as diverse as theory about law, human rights, the rights of indigenous peoples, the rule of law, constitutional law, the rights of migrants, international investment law and arbitration, space law, the use of force, and many more, all integrated by the problem- and policy-oriented framework of what has...