They’re crucial to any Indie author who wants their book to come up in an Amazon search. The more reviews a book has, the better chance it has of being found. If you’ve recently read a book you enjoyed, I know the author would be extremely grateful if you wrote a review on Amazon.
This is an interesting article about Amazon book reviews that explains why readers’ reviews are so important. Click here to view this article, “The Indie Author’s Guide to Amazon Book Reviews”