The book gathered a lot of research materials & papers that reflecting a view-point of the international research community regarding current burning issues & problems, namely Vietnam sovereignty over the two archipelagos HOANG SA & TRUONG SA. There are research papers of the Vietnam domestic & international researchers such as: Tran Duc Anh Son, Pham Hoang Quan, Nguyen Nha, Ta Van Tai, Shimao Mironu, Jean-Pierre Ferrier, Carlyle A. Thayer, Gregory Poling, Subhask Kapila, Jerome A. Cohen.