Download Free Audio Books From Audible.com
If you start a 30-day free trial with Audible, you can download one free audio book, plus two free Audible originals. They have over 200,000 books to choose from, which will play on almost any portable device or on your computer itself. You can even get courses from The Great Courses through Audible.
Just sign up, select the books you want, and begin your download. It's that simple. (And if you have an Amazon.com Account, the whole signup process takes a few seconds. Audible is part of Amazon.com)