This is a great title to have in your audible library because it is so versatile in terms of how it can be enjoyed...allow me to explain...
Some books tell a story or survey a topic in such a way that you really need to be paying attention from start to finish because if you don't, you'll struggle to keep up and that'll have a negative impact on your ability to enjoy it. Those are the kinds of titles I save for long car trips when I'm by myself. This course could easily be enjoyed if given that level of attention, but it's not at all necessary.
This is my favorite kind of background noise (for lack of a better term). you can have it playing...come in-and-out of different stages of paying attention and still occasionally pick up a thing or two for your vocabulary. Because of that, you could play the course over and over again without feeling like its getting old or repetitive.
I love playing this title when I'm winding down for the night. If I fall asleep, no big deal. It's way better than watching tv in bed.
But it's also perfect for the person who wants to make a deliberate study of the course. The instructor starts off by discussing how to set up a study notebook for the course and he stops along the way to point out things to write in your notebook and he even assigns homework. If you want to get a real course out of this title you won't be disappointed.
It's the best vocabulary book I've ever read. It's way better than the ones that go in alphabetical order or use SAT prep lists. This instructor groups the vocabulary words by concept and uses techniques that help you actually remember/retain the information.
I highly recommend.