It includes nine books featuring Vietnamese history in different periods under the dynasties of Đinh, Lý, Trần and Lê. Highlighted books include author Phú’s Cờ Lau Dựng Nước (The Country), a work on historical events under the Đinh Dynasty. A founder of the Đinh Dynasty, he was a significant figure in the establishment of Vietnamese independence and political unity in the 10th century. This name remained throughout the Đinh Dynasty (968-980), Early Lê Dynasty (980-1009) and the beginning of Lý Dynasty (1010-1225). They were victorious, and Đại Việt then completely defeated the invasion of the Song Dynasty’s army.
