You need to choose your book categories well for two reasons.
First, categories help people when they’re browsing for books. They’re not as important as search optimization for this, but they still matter.
Second, the right category will help you become an Amazon bestseller. The wrong one will keep you off that prestigious list even if you sell tens (or hundreds) of thousands of books). Getting to that number one spot, or even the top ten, boosts your sales for weeks afterward.
So. We agree this is an important factor in your book sales. How do we choose our categories well? Let’s take a look.