KDP Paperback vs Hardcover Covers
Cover Wrap: The Big Difference
Spine Width Formulas
White paper: pages × 0.002252"
Cream paper: pages × 0.0025"
Color paper: pages × 0.002347"
White paper: pages × 0.0025"
Cream paper: pages × 0.0025"
Bleed Requirements
Safe Zones
File Formats
Trim Size Availability
5" × 8"
5.5" × 8.5"
6" × 9"
7" × 10"
8.5" × 11"
Design Considerations
When to Choose Hardcover
Your book targets gift buyers
You're publishing children's books
Your content commands a premium price
You're building a series and want a collectible feel
Using Our Tools
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