Recommended to anyone with background knowledge of IR traditional theories. It provides new and alternative insights to the standard paradigm-based approach found in IR textbooks. IR students are taught about the different paradigms that have emerged in the past century, presented in opposition with one another, with little to no room for an orthogonal understanding of their core concepts. Barkin suggests how theories are not to be taken as black boxes, capable of explaining certain times and events in world politics. In fact, no single theory does, nor can, comprehensively explain such complexity. He advances an approach in which international relations are observed through a hybrid set of concepts drawn from different academic perspectives. He makes the case for points of compatibility between Realism and Constructivism.