We've created this Forum Thread with some workarounds and advice to assist you in publishing you ebook.
Recommended Book Cover Image Dimensions

Create cover images .25" (.68 cm) larger than the height and .125" (.36 cm) larger than the width of the chosen book size. For example, a 6" by 9" book will need an image 6.125" by 9.25." There is a .125" (.36cm) variation in the trimming and folding process. The cover does not use a bleed at the spine.
Covers for hardcover books are slightly larger than the interior pages. 0.75" of a casewrap hardcover cover image is folded around the cover. Do not include crop marks or registration marks.Improperly sized or applied bleeds will result in a white strip or important parts of the image or text cut off at the edge of the cover.
The following chart lists our book sizes accompanied by the appropriate size with bleed for the cover image file and a template to use while creating a cover image.
Cover Dimensions (with Bleed) and Templates
Book Size | Templates | Image Size at 300ppi |
4.25 x 6.87" 10.79 x 17.46 cm |
Zip (348k) | 4.375 x 7.125" 11.113 x 18.98 cm |
5.5 x 8.5" 13.97 x 21.59 cm |
Zip (364k) | 5.625 x 8.75" 14.287 x 22.225 cm |
5.83 x 8.26" 14.81 x 20.99 cm |
Zip (368k) | 5.955 x 8.515" 15.125 x 21.64 cm |
6 x 9" 15.24 x 22.86 cm |
Zip (360k) | 6.125 x 9.25" 15.6 x 23.5 cm |
6 x 9" Dust Jacket 15.24 x 22.86 cm |
Zip (568k) | 6.375 x 9.5" 16.192 x 24.13 cm |
6 x 9" Casewrap 15.24 x 22.86 cm |
Zip (388k) |
6.875" x 10.75" 17.46 x 27.31 cm |
6.13 x 9.21" 15.59 x 23.38 cm |
Zip (368k) | 6.265 x 9.459" 15.91 x 24.024 cm |
6.625 x 10.25" 16.82 x 26 cm |
Zip (372k) | 6.75 x 10.5" 17.15 x 26.67 cm |
7.5 x 7.5" 19 x 19 cm |
Zip (360k) | 7.625 x 7.75" 19.4 x 19.7 cm |
9 x 7" 22.86 x 17.78 cm |
Zip (360k) | 9.125 x 7.25" 23.2 x 18.42 cm |
7.44 x 9.68" 18.90 x 24.58cm |
Zip (384k) | 7.565 x 9.925" 19.226 x 25.224cm |
8.25 x 10.75" Casewrap 20.95 x 27.31 cm |
Zip (392k) |
9.125 x 12.5" 23.18 x 31.75 cm |
8.26 x 11.69" 20.99 x 29.70 cm |
Zip (376k) | 8.38 x 11.92" 21.3 x 30.3 cm |
8.5 x 8.5" 21.59 x 21.59 cm |
Zip (368k) | 8.625 x 8.75" 21.908 x 22.225 cm |
8.50 x 11" 21.59 x 27.94 cm |
Zip (384k) | 8.625 x 11.25" 21.907 x 28.57 cm |
12.75 x 10.75" 32.385 x 27.31 cm |
Zip (368k) | 13.75 x 12.50" or 34.925 x 31.75 cm |
12 x 12" 30.48 x 30.48 cm |
Zip (384k) | 13 x 13.75" or 33.02 x 34.925 cm |
8.25 x 10.75" Dust Jacket 20.95 x 27.31 cm |
Zip (392k) |
8.625 x 11.25" 21.91 x 28.575 cm |