Digital Offset Book Printing Book Cover Binding Finishing F.A.Q. Bookletmaking / Saddle Stitching Bound with staples along its folded edge, this finishing touch is used most commonly with newsletters, company bulletins and catalogs. Perfect Binding Perfect binding is the most commonly used form of binding on paper back books. It is also used for binding publications that are too thick to be stapled in a saddle-stitched format. Coil Binding A continuous, spring-shaped piece of plastic, this durable crush-resistant bind allows a bound book to lay flat ... even back on itself for easy reading.