Paperback notebook also known as hardcover notebook, it is a use of hard paper or leather as a cover, so not easy to stain, conducive to long-term preservation.
The biggest characteristic of paperback notebook is the cover is strong. It can keep the inner page in very good protection.The inner core is usually locked with a needle, and then the inner core is pasted together with a cloth strip to reinforce the connection between the inner core and the cover.
There are two types of spine for leather notebook. One is with flat spine: suitable for lining flat-shaped cardboard, the other is with round spine: suitable for lining with good touching such as leather or imitation leather.