If you’ve spent any time around a self-published author, they have probably begged you to review their book, even if you didn’t really like it. I talk about it obsessively, and I even include a little choosy beggar call-to-action at the end of each book.
But how can a star rating or a few lines of text matter so much? Surely this is just an ego thing for authors, who want to be told nice things about their books.
Of course, being told nice things about your book feels good. That’s not the reason why they’re important, though. Let’s explore the importance of reviews from a reader perspective.
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Reviews are for other readers.
In author circles, writers are encouraged not to read reviews at all. Many of us give into the urge, and some poorly-behaved authors fight with readers in comments to defend themselves.
Some authors even hunt down unhappy customers and assault them, and then their book gets nuked on Goodreads by people who haven’t even read it.
Rest assured I will never do that. I’m too busy writing – and I understand that reviews aren’t for me. I do read and appreciate them, but I will never contest your opinions. You have the right to think whatever you like about a product you purchased, and you have the right to tell others what you thought.
When you write a review, you are informing other consumers what they can expect from a product. You likely read reviews on the regular, provided by helpful fellow consumers who want to warn people or encourage them. It’s kind of you to give back to the community, even if it’s just a sentence or two.
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There’s a huge mismatch between how many consumers want reviews and how many leave them.
95% of consumers read reviews before purchasing a product, even a very cheap one. The more expensive something is, the more reviews they will peruse before purchase.
But only 5-10% of consumers leave a review at all.
Again, 95% of consumers want reviews, but only 5-10% leave them.
I think this is partly because consumers don’t really realize how important reviews are for Search Engine Optimization and advertising purposes. They think it’s just a “nice to have,” a compliment to the author, or a way to warn other people away from a product.
A lot of companies and authors also don’t do a good job of explaining their significance because they, too, don’t know why they need them. Since my day job is search engine optimization, I’ve had it drilled into me, but authors who don’t read up on marketing or SEO have no clue.
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Reviews and ratings determine a book’s visibility on Amazon and other sites, moreso than sales.
Amazon algorithms weight which books should be at the top of a genre category based on sales and ratings. Now, I am not an engineer and can’t tell you exactly how they weight them, but in general, books are organized according to some ratio of sales to ratings, weighted more toward ratings.
This is because Amazon assumes that anyone can buy dozens of their own book and reach the best seller status. Indeed, this has happened many times, both there and in publications like The New York Times.
However, authors who do not want to get their entire account nuked cannot leave dozens of review for themselves, nor can they pay for people to leave reviews. And they also cannot use AI to make hundreds of accounts and generate reviews, because Amazon will take notice and remove them.
Reviews are harder to fake, especially because Amazon flags which ones are verified purchases and which aren’t. They link your review to your purchase, which offers additional authenticity. This isn’t always a big problem for books because people do ARC campaigns, but seeing the “verified purchase” on a review can offer readers a little more reassurance that this is the reviewer’s genuine opinion.
If a reader cares enough about a book to leave a review, good or bad, then this must make the book impactful enough to deserve more visibility. A book with hundreds of sales but no reviews is probably just the author bulk-ordering at full price to boost sales and then throwing them at people in hopes they’ll give the author attention. This does not mean anyone actually wants to read the book, just that the author was very desperate to get noticed.
But, a book with a review ratio of, say, 3 reviews to 10 sales, must be very good or very bad, given that only 10% of readers typically leave a review.
Amazon doesn’t really care if you hate-read a book because you heard it was the worst thing in existence. They care that you bought it and made them money. So, the more reviews, the more engagement, and the more likely that other people will want to purchase it. And thus, the higher it ranks on lists to create a self-perpuating cycle.
The funny thing is that this works for humans, too. The more reviews you have, the more people are compelled to leave their own review. I don’t know why that is – maybe a bit of FOMO or herd mentality? Whatever the reason, these first reviews are crucial because they encourage more.
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You’re not required to leave a review, but it is a great way to support an author you like.
This post is not a demand for reviews. I’m not entitled to reviews, nor is any other author.
You never owe anything to an author other than the money to purchase the book. (Please don’t pirate books, especially self-pubbed ones. We make very little as it is.)
Whatever you do after you purchase a product is your business. If you didn’t like the book, leave a negative review. If you loved it, leave a positive one. If you were ‘meh’ about it, then don’t leave one at all.
But, if you really liked a book and you want to help the author have the funds to write more, then it’s a really great way to support them. It costs you nothing more than about 5 minutes of your time, but it makes a huge difference.
Your words matter and are very appreciated. And who knows? Maybe your review can help the author get a few more sales and inch closer to a full-time career writing the books you love.
Speaking of that, please consider buying my books, 9 Years Yearning and Pride Before a Fall, and then leaving a review, so you can offer me that sweet sweet engagement. You’re not required to, of course, but I’d be very grateful.

