Through a chain of astonishingly unlikely events, and at the last possible moment, I had an opportunity to meet up with a man I’d been told was an expert at all things under Paris, by the name of Gilles Thomas. I’d heard he was an historian, author of a book called PARIS SOUTERRAIN, and that he works in some capacity with the city. What I didn’t know is that he is the one and only King of the Paris Underworld. Thomas [his prefered catanym — more on that in a minute] met me at