If you want hardcover, first print the title of your own design on the cover, so that the bound book is hardcover.
Ring packaging: punch holes in the back of the book.
3 binding: it is divided into wireless binding and sewing binding (better than wireless firmness).
Hardcover: square back and round back
If we emphasize common use,
I guess you mean the books sold in the bookstore.
Or textbooks for students,
Mainly wireless plastic bags, thin exercise books can be ridden.
Thick paper (200-250g coated paper) has a lot of locking glue.
If it's cardboard, it's hardcover
It should be wireless.