Like many of us, your book cover works best if it has one job to do—and only one job. Book covers do not multi-task well. A successful book cover delegates everything that will not significantly contribute to book sales to another part of the book. Here are a few things you should not ask your book cover to do: 1. Promote someone else’s business. Your book cover is not the place to reference your designer, illustrator, editor, or publisher unless doing so will directly contribute to sales. A successful book cover is something like a spoiled child shouting, “Me! Me! Me!” It needs to be. Credit where credit is due is wonderful—on the Book Information page (where Library of Congress information appears, if that’s relevant to your book), on a separate thank-you page in the front or back, as a footnote somewhere—there are all kinds of tasteful ways to provide a business “bump” to those who have contributed to your book’s visual and verbal excellence. But the cover isn’t the place for it ...