The companies have measured the number of actual hours that the listeners have spent with different readers. And besides Ewerlöf, Anna Maria Käll and Jonas Malmsjö are also at the top. The three have over three million listening hours this year alone at Bookbeat.

According to Johanna Hansen, publishing manager at Bonnier Audio, the reader is absolutely crucial to the audiobook experience, along with other factors.

- We see that some readers are extremely popular with many listeners. But it's hard to say that a specific name makes a title sell more, because it's an interaction between story, author name and reader, she says.