In September 1940, nearly 400,000 children were evacuated from London, followed by many more from other cities in the UK. Many of them were unaccompanied, and for most it was the first time away from home and their parents. Yet this well-known disruption of childhood was a drop in the ocean compared to the effect of conflict on children throughout the world. Children have always been the victims of war, and this fascinating new history examines the...