Do all libraries make their own e-books? Are the books in the library copyrighted?

At present, the library is building its own e-book stack. Regular libraries must be authorized to read e-books, while general libraries are limited to their own reading authorization.

Electronic reading right or communication right

In fact, like paper books, they all have prices.

How much is a book and how much is it cheap?

The price is mainly determined according to the scope of authorization.