The evolution of China's books?

Oracle Bone Inscriptions was first carved on bones, while the West wrote it on scrolls.

Written on bamboo slips, it means learning to be rich.

Written on silk, rich people can afford it.

Cai Lun invented cheap paper in the Eastern Han Dynasty, and then paper became popular.

Bi Sheng invented movable type printing, and books were widely used.

For example, with the development of packaging technology, gift books appeared.

By content:

At the earliest time, only the weather and season were recorded.

Later, literary works and hundreds of theories appeared.

After Qin Shihuang burned books and buried Confucianism, all kinds of literary works dropped sharply.

There were many Confucian books in the Han Dynasty, and historical books flourished.

After the prosperous Tang Dynasty, culture flourished and entertainment books increased, such as Tang poetry and Song poetry.