Thomas J. Stanley is regarded as America's foremost authority and researcher of the affluent in the United States and has authored several well-regarded, award winning books on the subject. He is the author of The Millionaire Next Door as well as The Millionaire Mind. In total, these books spent more than 170 weeks on the New York Times Best Seller list. His title The Millionaire Next Door was selected as a finalist for the business book of the year by the Independent Publishers Association and was on several business best seller lists. In total, over three million copies of Dr. Stanley's books have been sold worldwide.