<P>Robert O. Keohane¿s <EM>After Hegemony</EM> is both a classic of international relations scholarship and an example of how creative thinking can help shed new light on the world. </P><P>Since the end of World War II, the global political landscape had been dominated by two superpowers, the USA and the USSR, and the tense stand-off of the Cold War. But, as the Cold War began to thaw, it became clear that a new global model might emerge. The commonly held belief amongst those studying international relations was that it was impossible for nations to work together without the influence of a hegemon (a dominant international power) to act as both referee and ultimate decision-maker. This paradigm ¿ neorealism ¿ worked on the basis that every nation will do all it can to maximize its power, with such processes only checked by a balance of competing powers. </P><P>Keohane, however, examined the evidence afresh and came up with novel explanations for what was likely to come next. He went o