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IngramSpark PDF requirements: why a file KDP took gets rejected
IngramSpark wants a single-page PDF/X-1a:2001 or PDF/X-3:2002 file with every font embedded. KDP never asks for PDF/X, so a file it took can still fail.
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Paperback interiors for KDP: trim sizes, margins by page count, bleed, paper color, page limits, formatting tools and what a formatter costs.
Guides
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How to set the KDP page size in LibreOffice Writer for a 6 x 9 paperback
Open Format, Page Style, Page tab. Type 6 in by 9 in, pick Mirrored, set the inside margin from KDP's page count table, then export a single page PDF and check every font shows Embedded.
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How do I set up a KDP picture book PDF with bleed?
Add 0.125 in to the width and 0.25 in to the height, run the art past the trim, keep text inside the margins, export single pages, and pick premium color for a short book.
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KDP paperback formatting template: how to use it, and when to stop
The KDP paperback template is a free Word file with page size and margins set for your trim. It suits a plain novel, but stop once you add images or bleed.
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KDP cream vs white paper: which one your paperback should use
Cream and white paper cost the same to print. Cream is thicker, so the spine is wider and the page limit lower: 776 pages against 828 at 6 x 9.
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KDP paperback minimum page count, and the maximum for each paper
The paperback minimum is 24 pages for black ink and premium color, 72 for standard color. The maximum depends on paper and trim, such as 828 on white at 6 x 9.
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KDP paperback trim sizes: which one to pick for fiction, memoir and non-fiction
KDP lists 16 paperback trim sizes on Amazon.com plus a custom size: five regular and eleven large, which cost more. Most novels fit 5 x 8 to 5.5 x 8.5.
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KDP bleed vs no bleed: when your paperback interior needs it
Choose bleed only if an image or background color reaches the page edge. A bleed file is 0.125 inch wider and 0.25 inch taller than trim. Text-only novels skip it.
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KDP margins 6x9, 5x8, 5.5x8.5 and 8.5x11 by page count
KDP margins are the same for every trim size: 0.25 inch top, bottom and outside, 0.375 with bleed. The inside gutter grows with your page count.
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