Looking through audible com, it seems there are very few erotic audiobooks on the market (excluding page after page from the ghastly Susie Bright of course), but this story lends itself to being spoken. I tried narrating it myself and found it surprisingly difficult, so I hired someone who does this for a living and does it very well. Anyway ~ chapter one of Marianne! on mp3 can be downloaded here, whereupon your computer should play it automatically.

The audiobook version of Marianne! is now on sale at audible.com