The extra-cursory books that primary school students must read should be selected according to the child's age and interests. Children of different ages need to read different books to help them develop their language skills, imagination, and thinking skills. Generally speaking, the following are some extra-cursory books suitable for primary school students to read: - Picture book: Picture book is a type of children's literature that focuses on images. It usually contains vivid illustrations and simple storylines, suitable for children and primary school students. - Fairy Tales: Fairy tales are one of the favorite books of many children to help them develop their morals and imagination. Some classic fairy tales include Cinderella, Little Red Riding Hood, and Hans Christian Andersen's Fairy Tales. - Poetry: Poetry is a literary work that focuses on rhythm and rhythm. It can help primary school students develop their language skills and sense of rhythm. Some of the poems suitable for primary school students included 'Spring Comes',' Little Birds Singing 'and' More Stars.' - Encyclopedia: Encyclopedia is a comprehensive form of literature suitable for primary school students to read to help them expand their knowledge and understand different cultures and history. Encyclopedias suitable for primary school students included the Great Encyclopedia, the World Encyclopedia, and the Elementary School Encyclopedia. It should be noted that primary school students 'reading level is limited. Parents should choose suitable books according to their children's interests and abilities to encourage them to read various types of literary works to promote their reading and development.