Design your book cover for a thumbnail, not a bookshelf.
Most potential readers will first encounter your cover as a small image on Amazon, often on a phone. If the title disappears, the image becomes confusing or the whole thing turns into visual clutter, they probably won’t stop long enough to figure it out.
People do judge a book by its cover, and nothing screams “amateur” faster than a poorly designed one.
Think thumbnail
The most important thing I want first-time authors to understand about cover design is simple: think thumbnail.
Shrink the cover down and look at it on your phone. Can you read the title? Does one clear idea come through? Does it still look professional when surrounded by dozens of competing books?
A cover can look gorgeous blown up on a computer screen and disappear completely on Amazon. That little-image test catches a remarkable number of problems before your book goes to press.
Simple usually wins
Book covers have a very small amount of time to communicate, which is why clutter is so dangerous. Multiple images, tiny details, competing fonts, and complicated backgrounds may all look interesting at full size, but they can become visual mush when the cover shrinks.
Christian covers are especially vulnerable to familiar imagery: praying hands, open Bibles, sunrises, seedlings, crosses. None of those things are automatically wrong, but familiar imagery has to work harder to feel distinctive rather than generic.
The goal is not to follow a rigid formula. It is to create a cover that is clear, readable and immediately appropriate for the kind of book you wrote.
Your title has to survive the shrink test
If I cannot read the title when the cover is small, we have a problem. Typography matters. Contrast matters. The relationship between the title and the image matters.
And no amount of beautiful design can rescue a title that is confusing in the first place.
The cover and title work together. One tells the shopper what kind of book she is looking at; the other gives her a reason to stop scrolling.
Your cover should look like it belongs
A great cover does more than look attractive. It looks like the kind of book the reader expected to find.
A devotional should not accidentally look like a business book. A memoir should not look like a Bible study workbook. A Christian self-help book should not look like historical fiction.
Readers make these judgments almost instantly, usually without realizing they are doing it. That is why category fit matters just as much as beauty.
Hire a professional. Period.
Warning: the truth will set you free, but first it might hurt your feelings.
No one knows when they have a bad cover. No one.
I have had former clients — women who went through my training and worked closely with me on beautiful covers — go off and create the next one on their own. One of them, a woman I adore and am incredibly proud of, recently sent me her new book.
The cover was awful.
And she had no idea that it was awful.
That is the problem. You do not know what you do not know, because you do not do this for a living. There are people who do.
Hire one of them.
And when I say professional, I do not mean finding the cheapest person who can technically operate design software. Look for an experienced book-cover designer with a portfolio that includes covers in your category that you would genuinely stop scrolling for.
If you are going to put all that time, prayer and effort into writing a book, do not wrap it in something that tells shoppers you did not take it seriously.
A professional cover does not guarantee sales
Let’s be clear about that too. A beautiful cover will not rescue the wrong topic, a confusing title or a book nobody wants.
But a bad cover can absolutely give a reader a reason not to investigate further.
The job of the cover is not to close the sale by itself. It is to earn the next few seconds of attention, and that matters.
What a bad cover costs you
Readers will probably never email and say, “Donna, I considered buying this book, but the typography felt amateur and the image hierarchy was confusing.”
They will just keep scrolling.
That is what makes cover problems so easy for authors to miss: no complaints, no explanation, just no click.
Quick answers
Can I design my own book cover?
You can. I generally do not recommend it unless you have genuine professional design experience. At minimum, look at the cover at thumbnail size and get feedback from people who have no reason to protect your feelings.
What makes a good nonfiction book cover?
Readability, simplicity, strong contrast and a visual style that fits the type of book you wrote. It should still communicate clearly when it is very small.
Does cover design really affect sales?
Yes, because the cover is often one of the first things a shopper sees. A professional cover does not guarantee a sale, but it removes one major reason someone might keep scrolling.
Should my cover look different from every other book in my category?
Different enough to be distinctive, but familiar enough that readers immediately recognize what kind of book they are looking at.
Not sure what kind of writer you are? Take my free 90-second quiz — What Kind of Writer Are You? — and discover your writer type, the hidden trap stalling your book, and your one next step.