Start doing all the main points in the book for the first time.
The second time, through my own understanding, I integrated and adjusted the main points of mind mapping.
The third time, I began to cut it, and only the parts that were useful to me were kept.
The fourth time, make a new mind map from this picture in the way of 7W3H.
The fifth time, I put the contents of this book on the knowledge tree of my own industry to supplement and expand it. This knowledge tree is completed through reading, practice and self-reflection.
Generally speaking, these parts will be adjusted and integrated according to the actual situation and time, and two or three versions may be kept according to different situations. I hope I can achieve my goal.
The following is the mind map of Romance of the Three Kingdoms, for reference only: