Gluing. Apply glue to the back of the book to help keep the individual signatures from shifting. Keep the individual signatures from shifting. Keep the signatures under pressure until the glue is completely dry.
Triming. Use a paper cutter to trim a book to size. Trim hte front edge of the book first. Then trim the top and bottom edges. Do not trim the back of the book.
Rounding and Backing. Rounding is done to give the back of the book a slightly convex shape, Figure 10-27.
Place the book on a workbench and hold it as shown. Push on the center of the back toward the outer edges of the book.front edge of the book with your thumb while pulling the outside pages in the opposite direction with your other four fingers. Gently tap the back edge into shape with a bookbinder's hammer. Turn the book over and repeat this process. Be sure to round the back of the book evenly. Only a slight curve is needed.
Backing forms a hinge along the front and back sides of the book about 1/8 inch to 1/4 inch in from the bound edge, Figure 10-28.
Place the book between backing boards, the rounded edge of the book exteding above the top edge of the boards. The actual distance will depend upon the size of the book and on the thickness of its cover. Gently tap the back edge of the book with a bookbinder's hammer. Form the two hinges gradually by stiking from
Attaching Super, Headbands, and Liner. Abound book with super, headbands, and liner attached is shown in Figure 10-29. Super is a gauze-like mateial glued to the back of the book. It provides added strength to the finished book. The super should be cut approximately 1/2 inch shorter than the book and about 3 inches wider than its back.