In 2017, the US book publishing industry reported revenues of $26.2 billion, according to the Association of American Publishers report, StatShot
US Publishers’ StatShot 2017 Report: Fifth Year of Double-Digit Audiobooks Growth
The Association of American Pubslishers StatShot program cites 29.7-percent growth over 2016 in downloaded audiobook revenue, despite overall flat performance in publisher revenue in 2017.