The International Relations of Japan and South East Asia asks three main questions: how and when has a new South East Asian regionalism been set in motion? what is the nature of Japanese leadership and networking in maintaining and promoting that new regionalism?; and, given the current economic and political crisis, what will happen to regionalism in the future?This work is an invaluable resource for students and scholars as it gives a complete overview of Japanese foreign policy and Japan-South East Asian relations.