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 audiobooksGet Audible at up to 60% off for the first 4 months…Spotify brings 200,000+ audiobooks to Premium…Early Amazon Prime Day deal offers three months of…6 great websites to find public domain ebooks and audiobooks