Getting the file right. Trim sizes, bleed, spine width, full wraps, and the specific reasons KDP and IngramSpark send a cover back.
3 guides in this category
Updated October 2026 Quick answer Spine width is page count multiplied by paper thickness: 0.002252 in per page on KDP white paper, 0.0025 in on cream. Spine text runs top to bottom in the…
Read the guideUpdated October 2026 Quick answer KDP cover rejections come down to eleven causes: wrong ebook dimensions, oversized files, spine math that does not match your page count, text outside safe margins, missing bleed, low…
Read the guideQuick answer Amazon KDP recommends a Kindle ebook cover measuring 1,600 × 2,560 pixels. Print covers do not have one universal size because the full wrap depends on the trim size, final page count,…
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