2. Fairy tales, fables and idiom stories: such as Andersen's fairy tales and Grimm's fairy tales.
3, philosophical enlightenment books: such as "A fallen leaf" and "Leaves in the wind".
4. Vocational enlightenment education books: such as "Children's Professional Experience" series.
5, the concept of number training books: such as "ladder mathematics" series.
6. Popular science books: such as "Little Boy, Science Museum" series and "Magic Life" series.
7. Self-identity books: such as Little Elephant and Kangaroo Baby Lamb.
8. "Bridge Book" books: such as "Pippi Longstocking".