As for the recommended bibliography of Happy Reading Bar, it is a primary school Chinese textbook. Every unit has recommended books, and parents can also buy them.
In addition, you can buy some story books suitable for grade one or two. For example, textbooks recommend reading popular science stories, fairy tales, fables, China myths and historical stories. In the first and second grades. It is also a good choice to buy some such story books, or to buy textbooks and writers' works.
I recently saw a set of books covering all kinds of stories. It is said that the text is selected according to the requirements of the curriculum standard. I think there are also many works by writers, which are "story books of years old". According to age, 7- 10 years old is quite good. You can also try.