Should you publish this book? Get the answer from your own evidence.
Bring the niche you keep circling — or the first book you are afraid to launch. Get back what is verified, what is an estimate, what is missing, and one next action.
Evidence-first publishing research
Insights
Practical frameworks for authors and publishers who want reviewable decisions without treating estimates as verified sales.
How to Decide Whether an Amazon KDP Book Niche Is Worth Testing
A structured way to compare keyword, competitor, KDP, and Amazon Ads evidence, apply completeness gates, and choose red, yellow, or green.
PIOS Decision Report
See the working bilingual prototype and request one evidence-bounded report with one Next Best Action.
Store OS
Operational frameworks for evidence-backed ecommerce decisions are in preparation.