
In Photoshop, you can set these bleed marks through the "Print Preview" command, and in Adobe Acrobat, you must create a "TrimBox" under "Crop Pages." Keep in mind that you must add 1/8 inch to each side of your document to come up with the finished book size (for example, it's best if you lay out a 5.5 x 8.5 book as 8.75 x 11.75, which includes front cover, back cover, a 1/2 inch spine, and the 1/8 inch bleed on each edge of the cover). The process for creating your bleed marks is different depending on your program. The bleed is the part of the book cover that is trimmed off to make sure that that cover does not have a white border around the edges. Place 1/8 inch bleed (trim) marks around the edges of your cover. Open your finished book cover file in Adobe Photoshop or Acrobat. You will have to allow space for what is called the "bleed," which is discussed in the next step.

The finished, laid out book cover will come out to about 9 x 12 inches (back cover, front, plus spine).

This is because most glossy card stock papers that you will find at a copy store will max out at 11 x 17 or 12 x 18 inches in size.

Size your book cover to produce a 5.5 x 8.5 or 6 x 9 inch book when you create the design.
