This book was written by Li Xiucheng, a loyal monarch of the Taiping Heavenly Kingdom, after he was captured. The full text is about 50,000 words. Now there are only 33,300 words left, less than the original 10000 words (it is said that Zeng Guofan deleted Li Xiucheng's advice on Zeng Guofan's resistance to the Qing emperor, etc. ).
This book is true, but the understanding of this history may not be complete (after all, it was written from Li Xiucheng's perspective, which may be different).