Divided into three steps, display and query personal library network information display.

1. Choose a mind map tool that suits you and put the title of the book as the theme in the center of the mind map.

2. Make a branch, divide the theme into several branches, which can be chapters, main characters and themes in the book, and add nodes to the branches, which can be keywords, characters and events in the book.

3. Finally, the nodes are connected by symbols such as lines and arrows to form a complete mind map.