Hardcover binding is not commonly used for booklet printing. However, this is an option if you desire a permanent binding that looked quite professional. With hardcover binding, the covers are rigid and stitched into the spine. The books are generally bound in cloth or paper, though some will also be bound in leather.
There are a few different methods used in booklet printing to bind hardcover books. Over sewing starts with loose pages that are clamped together, and small holes are punched along the far left edge. The holes are then used to sew the pages together. This method can work on larger books, though the pages will not lie flat when opened since the margins are reduced.
Sewing through then requires the pages to be folded and then stitched through the fold. Sets of pages are then sewn or glued together at the spine. This does allow the book to lie flat, although the binding is not as secure as the over sewing method.
Double-fan adhesive binding starts by gluing pages together and then gluing to a cloth lining to form a spine. This method also allows the book to open flat, but the pages may come loose with wear and tear.
Punch and bind
Another binding method that is used in booklet printing is the punch and bind method. This method is commonly used as an inexpensive way to commission booklet printing, and in some cases, allows the addition or removal of pages.
Thermally activated binding
This booklet printing method is most commonly used for certain magazines and paperback books. The cover is generally made of a heavier paper, which is then glued together at the spine. Heat is generally used to set the glue. Some bindings may use tape or resin to set the binding, offering you different levels of durability.