What is China's first collection of historical prose called "The Book of Ancient Times"?

Shangshu According to China Historical Network, Shangshu is the earliest historical document in China and one of the Confucian classics. It is listed as one of the "Six Classics", which is divided into four chapters, namely, History, History, and mainly describes the speeches of some ancient historical figures, such as Yao, Shun, Yu, Tang, Wen, Wu and Wu.