From the Associated Press:
As the audiobook market continues to boom, publishers find themselves both grateful and concerned.
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For some publishers, as many as 1 out of every 10 books sold is in the audio format, a percentage far higher than just a few years ago. And while the industry debated whether e-books expanded the market, or simply shifted it to digital reading, publishers agree that audio brings in new customers and allows them to encounter a narrative when a physical or e-book would be impossible — while driving, for instance, or doing housework.
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See Also: Complete List of 2018 Audie Award Winners and Nominees (via APA)