In battle for listeners, Audiobooks.com switches to Audible’s pay-by-the-book model January 14, 2013 by admin Tweet GigaOM Related Posts:Even Audible is putting in ads inside some of its audiobooksSpotify brings 200,000+ audiobooks to Premium…Get Audible at up to 60% off for the first 4 months…6 great websites to find public domain ebooks and audiobooksAmazon Prime members can check out new free trials…