Audio has been around since, I suppose, the spoken language. The difference now is distribution and availability. Audiobooks, podcasts, smart phones, voice controlled home speaker systems, connected cars, and who knows what will come next.
This is where things can get exciting with your book as a podcast as opposed to (or in addition to) an audiobook.
It's more than talking to your smartphone.
The underlying theme of this book is to get your book into audio format as easily and inexpensively as possible without losing quality. One...