This revolutionary data project continues to carefully track transformational shifts in how book content is produced and sold in the digital age. Volume 4, available in June 2014, is set to provide annual publisher net revenue and unit sales going back four years (2009, 2010, 2011, 2012) across three dimensions:
- Formats: including physical (hardcover, paperback, audio and mass market), non-physical (e-book, enhanced e-books, downloadable audio, paid mobile apps, Internet-based products and services) and bundles
- Categories: including trade fiction and nonfiction, juvenile (early readers, middle grade and young adult), religious, higher education, K-12, professional and scholarly books
- Channels: including physical retail (chains, independents, mass retailers and specialty), online retail, institutional sales (libraries and schools), direct-to-consumer, jobbers & wholesalers, book fairs and export sales