Germany-Based Bookwire in 2020: Titles Up 11 Percent Over 2019 The digital distributor reports a rise in audiobooks of 123 percent in 2020 over the previous year. Print-on-demand advanced 18 percent. In Cologne’s marketplace amid Germany’s ongoing lockdown, January 31. Image – iStockphoto: Thomas Stockhausen Klingelhöfer: ‘Learning and Support’ By the end of 2020, Bookwire’s new report says, the Frankfurt-based digital distributor had some 600,000 titles moving in commercial channels for publishing clients. That represents an 11-percent increase over the same criterion in 2019. The number of audiobooks increased by 46 percent to around 90,000 titles Ebooks, already the core of Bookwire’s trade, increased by 6 percent to around 500,000