The National Library of China is the National General Library, the National Bibliography Center and the National Ancient Books Protection Center.

The books here are for readers. If it is sold, future generations will not see it.

Many books here are sponsored by others and belong to the public welfare nature. There is a clause in the sponsorship agreement that it is not allowed to sell.

If you want to buy it, you can remember the title and go to the bookstore to buy it!