Cover Dimensions and Spine Size Calculator can be found here.
Things to Keep in mind when building your soft cover:
- The bleed is 1/4" around the outer edges. This is the same as the interior pages of the book if your book is full-bleed.
- The safe zone is only 1/8"
- Text on the spine is available if the spine is 5/16" and larger.
Basic Layout for Soft Cover:
The Finished Soft Cover
Its very easy to get "lost" in all this design jargon about bleeds and safe zones so let's take a minute to visualize what your file will look like when it's a finished cover.
Cover file with bleeds, safe zones, and your spine
The finished book. Notice all the bleed has been cut off