Napoleon Hill, ever heard of him? He wrote "Think and Grow Rich," one of the favorite self-help handbooks of all time. His fans include Tony Robbins and life coaches of all stripes. But Napoleon Hill was not a genius of self-help. He was a scam artist who never practiced what he preached. Journalist Matt Novak tells Jane what he’s found (and what he hasn’t) about one of the biggest architects of modern coaching.