If you want to understand the history of the Sui and Tang Dynasties, you can refer to the following suggestions: History of the Sui Dynasty: This is a book written by Wang Tong, a historian of the Tang Dynasty, about the history of the Sui Dynasty. It gives a comprehensive introduction to the political, military, economic, and cultural aspects of the Sui Dynasty. It plays an important role in understanding the historical background and social development of the Sui and Tang Dynasties. 2. History of the Five Dynasties: It was a book written by Ouyang Xiu, a historian of the Song Dynasty, about the history of the Five Dynasties and Ten Kingdoms. It mainly introduced the political, military, economic, and cultural aspects of the Five Dynasties and Ten Kingdoms period. It was an important material to understand the history of the Five Dynasties and Ten Kingdoms. Romance of Sui and Tang Dynasties: It was a historical novel written by Luo Guanzhong, a novelist of the Ming Dynasty, about the Sui and Tang Dynasties. Although some plots were fabricated, it was also one of the important materials to understand the history of the Sui and Tang Dynasties. Therefore, if you want to understand the history of the Sui and Tang Dynasties, you should first read the History of the Sui Dynasty and the History of the Five Dynasties, then refer to novels such as the Romance of the Sui and Tang Dynasties. This way, you can have a more comprehensive understanding of the history, culture, and characters of the Sui and Tang Dynasties.