Who is the author of Water Margin? What was the main content of Water Margin in the dynasty?

The Water Margin was written by Shi Naian, a writer at the end of Yuan Dynasty and the beginning of Ming Dynasty. He is proficient in various schools of thought, poetry, astronomy, geography, medical divination, astrology and so on. At the age of 35, he was a scholar. Later, he abandoned his official position and wrote behind closed doors, collecting and sorting out the stories of heroes such as Liang Shanbo and Song Jiang, and finally wrote Water Margin, one of the "four classical novels".

2. By describing the grand story that Shui Bo, a Liangshan hero, resisted oppression, grew up to be accepted by the Song Dynasty, and finally perished after acceptance, the book artistically reflected the whole process of the Sung River Uprising in the history of China, profoundly revealed the social roots of the uprising, enthusiastically praised the rebellious struggle and social ideals of the uprising heroes, and specifically revealed the internal historical reasons for the failure of the uprising.