There’s a quiet truth among the KDP elite that rarely gets mentioned in Facebook groups or YouTube tutorials: success isn’t about how many books you upload — it’s about whether people can find them. Thousands of new low-content books appear on Amazon every single day, yet only a handful ever see consistent sales. The difference? A single, invisible layer of discovery called keyword research . Why Keyword Research Separates Hobbyists from Earners Think of Amazon’s search engine as a matchmaking system between intent and solution. Every time a buyer types something like “self-care journal for women,” the algorithm instantly scans millions of titles to find what feels most relevant. If your book isn’t built on the language your audience already uses, you’re invisible — no matter how beautiful your cover or how thoughtful your design. The publishers who thrive on KDP don’t just design products; they reverse-engineer buyer psychology. They study how people think, what they ty...