The Folio Signal

An independent research publication tracking the global publishing industry through verified data, reports, and trend analysis.

§ Book Market Data

  1. Publishing research questionnaire explained for book teams

    Publishing research questionnaire from ReBoot Books explained: what it asked, who it served, and how results fed publishing plans.

  2. book market data methodology: sources, process and limits

    book market data methodology explains public sources, cleaning steps, limits and citation rules for The Folio Signal reading market coverage.