KDP margins and gutter for puzzle books
The inside margin grows with the page count so text is not lost in the binding.
- 24 to 150 pages
- 0.375 in
- 151 to 300 pages
- 0.5 in
- 301 to 500 pages
- 0.625 in
- 501 to 700 pages
- 0.75 in
- 701 to 828 pages
- 0.875 in
- Outside margins
- At least 0.25 in, or 0.375 in with bleed.
Source
- KDP help: Set up a paperback manuscript, margins. Last checked Oct 2026. Not affiliated with Amazon.
More KDP rules
KDP spine width and cover size
The spine is the page count times the paper thickness, and the cover is front, spine, back and bleed.
KDP page count limits by trim and paper
Minimum and maximum page counts depend on trim size, paper and ink.
KDP fonts, lines and image rules
Small details that cause rejections: unembedded fonts, hairlines and pale greys.
Large print puzzle books on KDP
Large print means readable type. The studio blocks the label until the text size is met.