It's helpful not only for self - publishers who create book covers for their books themselves but also for those who decide to hire a professional cover artist. (passwordincorrect.com)
Note that when creating your book cover design, you will have to know whether your book will have a spine, and what size that spine will be. (toughnickel.com)
If you'd like help creating your book cover or want to ask us for advice, check out our design packages here. (happyselfpublishing.com)