From a wonderful story: it's the romance of the Three Kingdoms.

From the most spiritual point of view: it is the history of Shang and Zhou Dynasties (refer to the Romance of the Gods)

From the most brilliant point of view: it is the biography of heroes in Sui and Tang Dynasties.

From the deepest education: the Opium War.

From the most official point of view: it is the biggest reform and opening up.