June 6 is a festival exclusive to children, and in the past two years, it seems that it has also become the peak of consumption in the children's book market. With the blessing of the market operation mechanism, the types of children's books are developing rapidly towards diversification.
There are different forms such as popular science, science fiction, humanities, and biography. In May this year, the juvenile science fiction series edited by Hugo Award winner and author of "The Three-Body Problem" Liu Cixin occupied the third good place on the list.