Amazon KDP Profitable Niche Discovery

As a mid-level Kindle Direct Publishing user, my objective is to identify a rewarding niche which would enable me to generate passive revenue.

- Skills and Experience:
Ideally, you should have experience in market research and should be able to use analytical tools to scrutinize trends on Amazon KDP. Proven track record of assisting publishers on KDP find their ideal niche would be a plus.

- Task:
To fulfill my objective, your task would be to identify promising books and markets therein, based on contemporary trends across all genres. The primary focus should be on demand, profitability, and potential for robust passive revenue. Also key words research for such a niche.

Expect the consultation to be insightful and actionable, allowing me to make an informed decision about the right niche for me on KDP.