Cover Diagrams
Softcover Diagram (Perfect Bound)
This is the most common method of binding books. In perfect binding, the pages of the book are glued together at the spine, creating a smooth, flat spine.
Hardcover Diagram (PUR Glued)
PUR glued hardcover books have an adhesive that is pushed against the binding edge of the spine thereby separating the edges of the sheets.
Saddle Stitched Cover Diagram
In saddle-stitched books, the pages of the book are folded in half and stitched together at the spine using a single continuous thread.
Hardcover Diagram (Sewn)
Sewn hardcover book's pages are sewn together and then attached to a hardcover, which is made of stiff cardboard covered in cloth or paper.
Dust Jacket Diagram
A dust jacket is a removable outer cover, usually made of paper with a printed design.
Coil Bound Diagram
Coil bound books are held together by a spiral of metal or plastic that is inserted through holes punched along the spine of the book.
French Flap Softcover Diagram
A French Flap book has folded flyleaves in the interior of a softcover book, used to give extra information about the book and author. This also adds a decorative elegance to a paperback edition.