Binding guide
Perfect binding guide
Perfect binding is less about folding and more about spine bulk. Instead of nested sheets, you work with a flat stack whose spine is milled or prepared and then glued into place.
How perfect binding works
Individual sheets stack flat in reading order. The spine edge is prepared and adhesive holds the pages together, usually under a wraparound cover.
Because the pages are not nested, the file logic is sequential rather than booklet-style. You are planning a text block, not a folded signature booklet.
When it is a good fit
Use perfect binding when the project has enough pages to form a real spine and needs a more book-like, squared finish than staples or side sewing can give.
It works well for longer publications, catalogs, thicker photo books, and products that need a retail-style presence.
What to watch before printing
A glued spine needs enough thickness to grip. Very thin books often fail here because there is not enough spine width for the adhesive to hold reliably.
You also need to account for the gutter: content near the spine can become harder to see because the book opens around a glued hinge rather than a simple fold.