How much does Kunshan 24-hour library charge?

3 The book and below will be charged according to 2 yuan, and each additional 1 book charge 1 yuan.

For the readers of Kunshan Library, it is stipulated that each library card can borrow up to 6 books online, and the borrowing period of each book is 40 days. During the loan period, it can be renewed online 1 time for 40 days. If it expires, you can't renew it online, and you can definitely finish reading a book in 40 days.

You can choose door-to-door service to return the book. Of course, there will be logistics fees. I heard that there is a special express delivery service for books, and the charge for 3 books or less is 2 yuan. For each additional 1 book, 1 yuan will be charged. For each additional 1 book, the courier will charge 5 yuan.