If you register at the ReadHowYouWant site you can get on their mailing list. I did and I received this email today. This is a great service:
The ReadHowYouWant Hot List gives readers monthly suggestions of 20 hot titles available in large print, braille, DAISY (Digital Accessible Information System), MP3 audio, and ebook formats. Now you can choose from bestselling titles and important topics in the format that best suits your reading preferences and needs.
The selected books represent bestsellers from ReadHowYouWant’s collection of over 4,500 titles, as well as Amazon.com bestsellers, and new releases from publishing partners, including Wiley, Random House Australia, Hay House, and Perseus.