How do I format my book for Kindle and paperback? You format them separately, because an ebook and a printed book work in very different ways. A Kindle ebook "flows," so readers can change the font size and the text moves to fit their screen. A paperback is fixed, with set page sizes, margins, and page numbers. One file rarely works well for both. In this article, you will get a clear answer, then the solution step by step, and then an industry hack that makes formatting easi