These instructions should not appear your exported PDF. This Softcover template’s total width and spine width MUST be modified based on the exact number of pages in your book. For help with this visit this link for instructions and a video example: http://blurb.custhelp.com/app/answers/detail/a_id/475 Following these instructions assure that your PDF is the correct size. A wrong-sized PDF will fail Preflight and need to be redone. Remember, that the total document width is more important than the spine width, as this measurement is only for a visual reference for the designer when adding content to the spine.
Please note, all critical text and art should appear within this gray area. Any content outside this area may be unevenly trimmed or hidden when the book is bound. If you would like your artwork to extend to the very edge 56 Sheets 7 x 7 in (18 x 18 cm) of your finished book, then pull your artwork edge to Ruled the red bleed -line. - checkered dotted - diagramed - ....