Picture this: You go about your daily business as usual, doing the things you always like to do, and going to the places that you have always gone. Suddenly the whole world stops with a shudder as your muscles begin to fail you, and a searing headache accompanies the encroaching darkness as you black out. A stroke. Waking up, twenty days later, you find yourself unable to move at all. The doctors tell you that you have ‘locked-in syndrome’; you are effectively paralysed across your whole body. Your world has ended, you might think. On 8 December 1995, this is what happened to Jean-Dominique Bauby , the then-editor-in-chief of French magazine Elle . Waking up in hospital in the northern French coastal town of Berck-sur-Mer, he found himself “paralysed from head to toe, his mind intact yet imprisoned inside his own body, unable to move or speak.” The only way he could communicate, or even move, is through the blinking of his left eyelid. Devastated, he discovered that he was,...