In When International Law Works, Professor Tai-Heng Cheng transcends current debates about whether international law is really law by focusing on the reasons for complying with or deviating from international laws and other informal norms, whether or not they are 'law.' Cheng presents a new framework to guide decision makers when they confront an international problem that implicates the oftencompeting policies and interests of their own communities and global order. Instead of advocating for or against international law, Cheng acknowledges both its benefits and shortcomings in order...