Search tips

Default search mode looks for fields matching at least one keyword match:
Eg. Science Fiction looks for fields matching either science OR fiction

Use quotes to search for literal phrases:
Eg. "Business Culture"

Use - sign to exclude keywords from a particular field:
Eg. business -marketing

Use OR and AND (in big letters) between keywords to refine results:
Eg. romance AND medieval
Eg. finance OR marketing

Use * sign for wildcard search:
Eg. bio*
Eg. fantasy AND pr*cesses

You can combine some or all of these signs together:
Eg. SEO AND ("growth hacking" OR business)

niche kindle categories

Find the most profitable Kindle niche categories

Category name	Best seller rank	50^th book's rank	Median sales volume	Median price	Volatility	New book releases	Self published books	KDP Select