cover-designer
Installation
SKILL.md
Cover Designer
Generate a coordinated set of book covers in the standard sizes an author needs to ship across every retail platform — all from one visual brief, so the ebook, print, audiobook, and social-banner versions look cohesive.
Sizes produced
| Variant | Dimensions | What it's for |
|---|---|---|
| Ebook | 1024×1536 (2:3) | Amazon Kindle / KDP listings, BookBub thumbnails, Goodreads |
| 1024×1536 (2:3) | Front cover for paperback / hardcover (6×9 trim). Spine + back wrap added separately in your designer. | |
| Audiobook | 1024×1024 (1:1) | ACX / Findaway / Spotify. Upscale to 2400×2400 before submitting. |
| Social | 1536×1024 (3:2) | Twitter / X cards, Facebook OG, BookBub feature graphics, newsletter headers |