Gengzi**

This book is rich in content. The author vividly describes the social chaos and historical changes in the late Qing Dynasty through on-site visits and detailed research. The writing style is rigorous and the writing is smooth, especially the description of historical details, which makes people feel as if they are actually there. For example, the book mentions, "Looking at the cracked land and dead seedlings, Zhang Decheng was helpless." This sentence vividly shows the helplessness and despair of farmers at that time in the face of drought. Overall, this is a good book worth reading.