Sewn binding: This is the traditional method of  bookbinding, and it is still used for many high-quality books today. In sewn binding, the pages are sewn together along the spine with a strong thread. This method produces a very durable book that will last for many years.

Perfect binding: This is the most common method of bookbinding for mass-market paperbacks. In perfect binding, the pages are glued together at the spine. This method is less expensive than sewn binding, but it is also less durable.

Case binding: This is a method of bookbinding that uses a stiff cover board. The pages are sewn together and then glued to the cover board. Case binding is a very durable method of bookbinding, and it is often used for hardcover books.

Cloth binding: This is a method of bookbinding that uses a cloth cover. The pages are sewn together and then glued to the cloth cover. Cloth binding is a very elegant and durable method of bookbinding, and it is often used for high-quality books.