Zhang Hongjie's "Warning in the Prosperous Age" is about China under Qianlong's rule, which is the most populous and strongest period in China's history for thousands of years. However, Qianlong's background is the collapse of the prosperous age, which is a declining Qing Dynasty, and there is no prohibition. Published by Chongqing Publishing House in 2022.
In The Prosperous Age of Hunger, the author listed several world events at that time, and also marked the coordinates of East and West.