Book Industry Research
- The Global 50 publishing ranking: Every year since 2007, analyst Rüdiger Wischenbart releases an in-depth report that determines and discusses the biggest 50 publishers in the world. Take a look (free preview, or pay what you want).
- Where is all the book data? A group of scholars takes issue with an industry that has made sales data proprietary and unavailable to researchers. Login if you are an existing premium subscriber
- Or: Upgrade your subscription