Whilst Christian theology is familiar with questions about the relation of church and state, divine and human law, little attention has been devoted to questions of international law. Esther D. Reed offers a systematic engagement with contemporary issues of international law and its relevance for modern theology. Reed discusses numerous issue driven topics, including: challenges to classic just-war thinking from so-called fourth generation warfare, peoples and nationhood within divine providence, the ethics of territorial borders and the militarization of human intervention. By discussing selected biblical texts Reed helps to move the issues of international law higher up the agenda of Christian theology, ethics and moral reasoning.