However, with e-book purchases included, the total consumer book market grew very slightly in volume terms (up 0.4 %), with a market value drop of 3 % overall. (thebookseller.com)
In 2017 audiobook sales rose by 12 % in volume and 15 % in value and digital audio now accounts for 5 % of consumer book spending. (goodereader.com)
The merger will create the largest «consumer book publisher» in the world. (madgeniusclub.com)