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Sizing a hardcover cover image for KDP: what two Amazon help pages state (captured 2026-11-05)
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What this guide covers
For self-publishers preparing their own hardcover cover artwork. It collects what two Amazon KDP help pages state about the single-file cover, wrap, margins, spine, barcode and the pre-upload checklist. It is documentation only, captured on one date; nothing was uploaded and acceptance is not promised.
More about this guide
Guide ID: art_01M6PFC8FPQH24KSGWCHZER5RK
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Guide title
Sizing a hardcover cover image for KDP: what two Amazon help pages state (captured 2026-11-05)
Coverage
For self-publishers preparing their own hardcover cover artwork. It collects what two Amazon KDP help pages state about the single-file cover, wrap, margins, spine, barcode and the pre-upload checklist. It is documentation only, captured on one date; nothing was uploaded and acceptance is not promised.
Useful starting points
- The case board thickness is given only on the print elements page, not the cover page, so do not assume the cover page confirms it.
- Locked or encrypted PDFs fail review, so remove file security before upload.
- Flatten transparencies, embed fonts and remove crop marks, colour bars and template text before exporting the final PDF.
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