They were an inseparable tribe of childhood friends whose world was torn apart by the First World War. Some were lost in battle, and those who survived have had their lives unimaginably upended, scattered to Ceylon and India, France and Germany, and, inevitably, back to Britain. Now, at the dawn of the 1920s, all are trying to pick up the pieces. At the center of Louis de Berni res's riveting novel are Daniel, an RAF flying ace, and Rosie, a wartime...