Though he has performed as a magician, he has a very different day job. He's a psychologist. In fact, he's a professor of Public Understanding of Psychology at the University of Hertfordshire. He's written numerous books on the subject, including The Luck Factor and Quirkology.
This is a little different from most, which focus on one trick only. This is a series of little folderol, which he called "10 new bets that you will always win," particularly appropriate the next time you're in a bar.