One of the most common questions new and experienced publishers ask is not how to publish a book, but how to choose the right book to publish. Knowing how to find a niche for Amazon KDP is often the difference between a book that sells consistently and one that never gains traction. This article explains how niche selection actually works on Amazon, why most people get it wrong, and how to approach niche research with clarity instead of guesswork. 👉 see the full Book Ninja review before you choose a…
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