This second volume of the history of the Han dynasty consists of chapters dealing principally with the reign of Emperor Wu, one of the most energetic and strong-willed of China's Rulers. Here the historian is chronicling events he has witnessed and writing of the men he personally knows or has known. In Nagano Hozan's (1783-1837) words, He makes us see in our minds the character of the men of the time, and this is why he is a great historian.:

Although numerous texts are available in translation that illustrate the papal side of the Investiture Controversy, few accounts exist that convey the position of secular leaders. Imperial Lives and Letters fills this gap, offering the full text of "The Deeds of Conrad II" (1024-1139) by Wipo, "Life of Emperor the Henry IV" (1056-1106) and the Letters of Henry IV.