On Wednesday at London Book Fair, Spotify director of global publishing partnerships & licensing Duncan Bruce reflected on the first 18 month since the company’s 2023 relaunch of its audiobooks program. Bruce was vague on the topic of author royalties, noting (as they have in the past) that the company has paid “hundreds of millions of dollars” to authors (PL dug into the numbers last month). But he did mention expansion in the catalog from 150,000 to 400,000 English language titles and reported that listening hours are up 35 percent in the US, UK, and Australia, with 60 percent of …