Known as Quang Trung Emperor (1788 to 1792), King Quang Trung or Bac Binh Vuong, Nguyen Hue (1753 - 1792) was the second emperor of the Tay Son dynasty (1778 - 1802). He was one of the great political leaders with many excellent military and construction reforms in Vietnamese history. Nguyen Hue appeared as a bright star in the dark sky of Vietnamese society in the 18th century, then fell out. The life of King Quang Trung was a unique epic, which has been embroidered with divine legends, which contains mystery and thrilling traits ... It is a honor for the Land of Phu Xuan - Thuan Hoa (present Thua Thien –Hue province), the centre of Tay Son movement, the first capital of Vietnam after the reestablishment of unification, has played an important part in Nguyen Hue - Quang Trung's splendid career. The book titled that you are holding is the result of long-term research work of the author.