There are several books that must be read: Complete Works of Jade in China, Elite of Ancient Jade, Six Paintings of Ancient Jade, Complete Works of Jade Unearthed in China, Ancient Jade Works in China, Atlas of Ancient Jade Works in China and Ancient Jade Works by Liu Datong. There are also several old books that are hard to find: Introduction to Ancient Jade, Appraisal of Ancient Jade-Jade Man and Deer Dragon, and. These books are suitable for reading, but some are expensive. You can go to the big library to see if there are any. If you don't want to read a book, you can go to the platform of the Wenhua Society, which also has the corresponding ancient jade learning content.