Then: The Wealth of Nations
Now:  Invisible Hands: The Mysterious Market Forces That Control Our Lives and How to Profit from Them

Then: Walden
Now:  Camping with Myself: Two Years in American Tuscany

Then: The Theory of the Leisure Class
Now:  Buying Out Loud: The Unbelievable Truth About What We Consume and What It Says About Us

Then: The Gospel of Matthew
Now:  40 Days and a Mule: How One Man Quit His Job and Became the Boss

Then: The Prince
Now:  The Prince (Foreword by Oprah Winfrey)