I listened to this on my long solo drive to the beach this summer. The concept is that while Mark Twain was traveling abroad, he made a list of foods he was homesick for. A few Twain fanboys (including Nick Offerman) decide to attempt to cook a handful of dishes from Twain's list and document their search for strange ingredients that have disappeared from our cuisine.
It's more similar to a podcast than a typical audio book, and would make for a great listen on your commute. But don't take my word for it. - Calvin