True but you can listen to an audio book while driving. Also I don't know where but Free is available in PDF form legally free as well if you prefer that metho

True but you can listen to an audio book while driving. Also I don't know where but Free is available in PDF form legally free as well if you prefer that method. Overall I found little surprising in this material but it cemented a lot of ideas, and was well worth the time. Of course it was time I would have been in the car anyway ;-)