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Guides

Plain-English answers to the print questions that trip up self-published authors.

Why was my KDP cover rejected?The 10 most common reasons KDP rejects a paperback cover, and how to fix each one.KDP paperback vs hardcover cover sizeWhy a hardcover cover is bigger, what wrap and hinge mean, and side-by-side sizes.KDP vs Lulu spine widthWhy the same book needs a different cover on each platform, with a comparison table.