On Winston Churchill’s first day as prime minister, Adolf Hitler invaded Holland and Belgium. Poland and Czechoslovakia had already fallen, and the Dunkirk evacuation was just two weeks away. For the next twelve months, Hitler would wage a relentless bombing campaign, killing 45,000 Britons. It was up to Churchill to hold his country together and persuade President Franklin Roosevelt that Britain was a worthy ally—and willing to fight to the end.

In The Splendid and the Vile, Erik Larson shows, in cinematic detail, how Churchill taught the British people “the art of being fearless.” It is a story of political brinkmanship, but it’s also an intimate domestic drama, set against the backdrop of Churchill’s prime-ministerial country home, Chequers; his wartime retreat, Ditchley, where he and his entourage go when the moon is brightest and the bombing threat is highest; and of course 10 Downing Street in London. Drawing on diaries, original archival documents, and once-secret intelligence reports—some released on