What are the classifications of books?

By content: novels; Children's books; Non-fiction; Professional books; Reference books; Manual; Bibliography; Script; Report; Diary; Book collection; A collection of photos and paintings.

Books (English: book; Pinyin: shjí；; ㄕㄨㄐㄧ refers to bound books and words, and in a narrow sense is a collection of words, images and paper. Before the popularization of ancient paper in China, books were mostly made of bamboo baked by fire.

"The Tale of the Three Kingdoms, Wang Weizhi": "_ Cai Yong _ smells the spell at the door and welcomes it. When I arrived, I was young, weak and short-looking, and I was startled as soon as I sat down. Yong said,' This gentleman, Gong Sun, is different in talent, so I might as well. My books and articles should match.' "