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https://thenewpublishingstandard.com/2018/06/26/audio-publishers-association-says-2017-us-audiobook-market-worth-2-5-billion-double-data-guys-bookstat-valuation-believe/
Audio Publishers Association says 2017 US audiobook market worth $2.5 billion - more than double...
Jun 26, 2018 - When the Audio Publishers Association issued its latest valuation of the US audiobook market last week the $2.5 billion figure understandably made the...
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