Off the Edge: Flat Earthers, Conspiracy Culture, and Why People Will Believe AnythingSince 2015, there has been a spectacular boom in a nearly two hundred year old delusion the idea that we all live on a flat plane, under a solid dome, ringed by an impossible wall of ice. It is the ultimate in conspiracy theories, a wholesale rejection of everything we know to be true about the world in which we live. Where did this idea come from? Weill draws a straight line from today's conspiratorial moment back to the early days of Flat Earth