What if you could get your phone or tablet to read Kindle or other text aloud to you? I have recently come across an easy way to do this. This is an economics blog, so I will note that this approach saves considerable money versus paying for audio books like Audible, or paying for the Narration option on Kindle. Most of us already have text books we have bought from e.g. Kindle. Also, if you search on the subject, there are various sources for free on-line books, including hundreds of thousands titles available through Libby/Overdrive via your public library. This text-to-voice method should work with all of these e-books.