Sometimes it takes an outsider armed with just a sharp eye and curiosity to get us to see ourselves as we really are. That would explain the enduring popularity of the American-born writer Bill Bryson, whose wry take on Britain and the British has generated two best-selling books. From the mysteries of afternoon tea to the power of the human brain, what has Bill Bryson learned from his gentle search for understanding?

Photo: Bill Bryson at the Cheltenham Literary Festival Credit: Getty Images