Self-published book cover: 5 visual errors that drive readers away (and how to avoid them)
Your self-published book cover is costing you sales without you knowing it
You spent months writing your book. Nights perfecting your chapters, entire weekends rereading, revising, starting over. And when you finally publish, sales don't take off. Clicks don't come. Readers pass by your book without stopping.
Sometimes, the problem isn't in your words. It's in what people see before before reading the first line: your cover.
And that's where it pinches for many self-published authors. We spend all our time on the text — which makes perfect sense — and we rush or improvise the cover, either due to budget, lack of method, or simply because we don't know where to start. Result: a book worth reading, but one that doesn't find its readers.
If you recognize yourself in this situation, take a breath. It's not inevitable, and above all, it's not a matter of talent.
A poor cover is usually a matter of method, not budget
We often think a beautiful cover requires a professional designer costing hundreds of euros, or complicated design software that takes years to master. That's false. Or at least, it's an incomplete picture.
What drives readers away are rarely technical details. They're fundamental visual errors that even authors with a real budget make, because they don't know which rules to follow. And these errors are spotted, learned, and corrected.
Let's go through the five most common ones together.
The 5 visual errors that tank your self-published book cover
1. Illegible or genre-inappropriate typography
Your book's title is the first thing the eye catches. If the font is too thin, too decorative, too small, or simply mismatched to the literary genre, the reader moves on before even reading your name.
A crime novel doesn't call for the same visual codes as a self-help book. A thriller demands tension in the typography. A romance demands softness. Each genre has its codes, and readers recognize them unconsciously. Break them unintentionally, and you lose their trust before the first page.
The solution? Analyze the covers of the ten bestsellers in your genre on Amazon or in a bookstore. Note the font families used, the sizes, the contrasts. You'll see patterns emerge very quickly.
2. Low-quality or overly generic imagery
Free image banks are tempting. But some photos are so overused they make your book look mass-produced. And if the image is pixelated, poorly framed, or low-resolution, it's even worse: it screams 'amateur' to anyone who knows how to look.
You don't need a perfect image. You need an image consistent with your universe, original enough that it hasn't been seen a hundred times elsewhere.
The solution? Platforms like Unsplash, Pexels, or Adobe Stock (with subscription) offer quality photos. And if you use a creation tool like Canva, be careful not to keep the default templates without personalizing them deeply.
3. Lack of visual hierarchy
Title, subtitle, author name: these three elements must coexist without competing. If everything is the same size, same color, same visual weight, the eye doesn't know where to look. It disconnects.
Visual hierarchy is what naturally guides the reader's eye. It creates breathing room, an instinctive reading order. Without it, your cover becomes visual noise.
The solution? Simple rule: title first (large, readable, contrasting), author name next (smaller), and subtitle or tagline as a subtle complement. Test your cover reduced to thumbnail size. If you can still read the title, you're on the right track.
4. Colors that don't match genre expectations
Colors transmit emotions before conscious thought even engages. Red evokes passion or danger. Dark blue evokes mystery. Beige and gold suggest classical elegance. If you publish a horror novel with a pastel, cheerful cover, you send a contradictory signal that unsettles the reader.
It's not an absolute rule — some covers brilliantly play with counter-convention — but for a beginner author, it's better to first master the codes before intentionally breaking them.
The solution? Once again, observe covers in your genre. Note the dominant palettes. And if you want to move away from them, do it consciously and for a good narrative reason.
5. Ignoring the thumbnail rendering (and mobile view)
On Amazon, on Kobo, on most online sales platforms, your cover often displays at postage-stamp size. And the vast majority of readers browse on their phones.
A beautiful full-size cover can become completely unreadable once shrunk. If the title disappears, if details blend together, if contrast is insufficient: you've lost your reader before they even click.
The solution? Systematically export your cover and look at it in thumbnail size on your phone before validating. It's a simple habit that changes everything.
And while you're working on your cover, how's your manuscript progressing?
We talk a lot about cover here, and it's essential. But behind every cover is a book. And that book, you need to write it, structure it, give it coherence.
That's where Plumence. Not to write in your place — that would be stealing your book from you — but to help you move forward when you're stuck, to structure your ideas when they scatter in all directions, to rephrase a passage that doesn't yet sound right.
You remain the author. Plumence is the travel companion who helps you not give up along the way.
Concretely, what does it look like day to day?
- You have an idea for a chapter but don't know how to organize it? Plumence helps you establish clear structure before you write the first sentence.
- You're stuck on a transition between two scenes? You describe what you want to express, and Plumence offers you ideas you can rephrase your own way.
- You doubt your outline's coherence? You share it, and you get relevant questions that help you see more clearly.
- You only have twenty minutes? Plumence helps you not waste that precious time wondering where to start.
It's not magic. It's a method, made accessible. And to go further on organizing your writing project, you can also check out the Plumence blog, which is packed with practical advice for self-published authors.
Ready to write the book your cover deserves to defend?
A beautiful cover attracts readers. A good book keeps them. And to write that good book, you don't need to be an established author, or wait until you have 'enough time' or 'feel ready'.
You need a good writing companion.
Try Plumence free and discover how to structure, move forward, and finish your book — at your pace, with your voice, for your readers.