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Every KDP figure on these pages was checked against Amazon KDP's published help pages on 2026-09-07: Paperback Submission Guidelines, Paperback Printing Cost, Paperback Royalty, Print Book Pricing Page, Set Trim Size, Bleed, and Margins, Groundwood Paper, Paperback and Hardcover Manuscript Templates, KDP Cover Calculator, KDP Printing Cost & Royalty Calculator. KDP changes its schedules without notice. Confirm in your KDP dashboard before you order a proof.

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