The book gathered some research papers that were written in the year of 2011. The book covered a lot of current burning issues & problems such as: Vietnam sovereignty over the two archipelagos HOANG SA & TRUONG SA; response against the view-point of some China researchers over the two above-mentioned archipelagos HOANH SA & TRUONG SA; analysis of resources of materials relating to the East Sea in China's ancient & old bibliography; the East Sea in international diplomacy; the disputes on the East Sea and some related international legal issues & problems