Step 1: Lock the print spec early
Decide Paperback vs Hardcover and confirm your trim size. If you haven’t chosen yet, use Amazon Book Dimensions Guide: KDP Trim Sizes, Formats, and Cover Math to make a confident choice.
Step 2: Generate exact cover dimensions
Use KDP Cover Size Calculator to get the full cover size (front + spine + back + bleed). If you prefer a shortcut, start with KDP Cover Templates.
Step 3: Confirm spine width before you place spine text
Re-check spine width once the interior page count is final. Use How KDP Spine Width Works: A Practical Guide so your spine text doesn’t drift or get clipped.
If your upload block actually starts from the interior, format the coloring book PDF before you finalize the wrap. The quickest path is to clean pages, insert blank backs, and export through Coloring Book Formatting.
Step 4: Design for readability (thumbnail + print)
Apply hierarchy and contrast, and avoid fragile typography. If you want a structured approach, read KDP Cover Design Principles: Hierarchy, Contrast, and Readability and implement those rules in your editor.
Step 5: Preflight against KDP requirements
Before export, validate bleed, safe zones, barcode clearance, and overall dimensions. Use KDP Cover Requirements (Bleed, DPI, Safe Zones, Barcode) as your spec checklist.
Step 6: Export and sanity-check output quality
Export with settings that keep text crisp. If anything looks wrong (size mismatch, pixelated fonts, barcode collision), troubleshoot using 5 Common KDP Cover Mistakes That Cause Rejection.
Step 7: Upload with confidence
- Reconfirm dimensions match your calculator output.
- Check that important text stays inside safe zones.
- Verify barcode area is clear on the back cover.
- Confirm spine text looks centered in preview.
- Save a reusable checklist for your next book.