pt. 1. Just war theory and international law. -- A sweeping history of just war theory -- Jus ad bellum #1: resisting aggression -- Jus ad bellum #2: non-classical wars -- Jus in bello #1: just conduct in war -- Jus in bello #2: supreme emergency and Cyber-warfare -- Jus post bellum #1: overlapping consensus, and retribution -- Jus post bellum #2: rehabilitation, and wars-without-end -- pt. 2. The alternatives. -- Evaluating the realist alternative -- Evaluating the pacifist alternative -- Appendix A: Sources on the laws of war -- Appendix B: Conceptual overview of just war theory.