BookSignal is a validation tool for self-publishers: it reads Amazon's real demand data and tells you whether a book idea will sell - before you write a word.
MethodA practical, data-first method for testing whether a book will sell: search volume, competitor strength, Beatability, and the market-vs-angle rule.
Amazon deep diveAmazon's KDP category picker and the real store don't match. Ghost categories leave books shelved nowhere - here's how to find real, rankable categories.
Amazon deep diveWhat Amazon's Best Seller Rank means, how it converts to estimated sales, and how publishers use competitor BSRs to size up a niche before writing.
Case studyA real case study: validating a topic with Amazon data, planning a series, generating the manuscript, and publishing on KDP - with under one hour of hands-on time.