Professor Li Yupei is a famous prolific writer of mathematical fairy tales. In the past decades, he has formed a unique creative concept and style in the creation of tens of millions of words of mathematical fairy tales.

In his works, the title is suspenseful, the plot is peculiar, the image is imaginative, the knowledge is speculative, the content is humanistic and the art is interesting.

Rich imagination and interesting creativity make Li Yupei's fairy tales full of children's childlike interest and thinking, no matter from content to form, or from image to language.

This effectively strengthens the aura and artistic interest of fairy tales. Of course, it will also help children learn and fall in love with mathematics in happiness, and think and move towards the future in "fun".