Ebook: Six Sigma: The Breakthrough Management Strategy Revolutionizing the World's Top Corporations

If you want to understand what Six Sigma is, what it is good for, and how it can work for your company, then check this out. If you are looking for training materials to become a practitioner, such as learning to be a green belt or black belt, this is the wrong title for you.

I listened to the CD set a couple times, and I still pick up new insights. It starts out slow, but it's worth the listen. I don't know where other reviewers get the idea this is a commercial - I didn't get this impression at all from the audio version.