It's hard for me to be unbiased review of this book, as I'm not that big a fan of self-improvement books in the first place. However, this is probably as good as a self-improvement book will get. So I'm a fan.
The book is short and to-the-point - about 5 and a 1/2 hours. It's rarely, if ever, repetitive. The voice actor does an amazing job of conveying the feelings and thoughts behind the author's words. Actually it's about the best that I've heard so far.
Don't let the title fool you. The content is highly entertaining and thought-provoking. Instead of telling you not to care about anything, the author actually goes to great lengths to explain why you should choose what you care about. He uses vulgar language and examples of lesser-known figures to demonstrate why a lot of the advice you'll find about happiness these days isn't all that useful - except his of course.
Well, to be fair his advice seems good. Or at least down-to-earth and within reach, no matter your situation. So, if you're in for a quick and easy listen, I'd definitely recommend this book. You wouldn't be wasting your time.