"I am not a great or important personage, but this will be the diary of an ordinary person's life in war time. Though I may never live to read it again, perhaps it may not prove altogether uninteresting as a record of my life."
In 1939, seventeen-year-old Mary found herself in an extraordinary position at an extraordinary time: it was the outbreak of World War II and her father, Winston Churchill, had been appointed First Lord of the Admiralty; within months he would become prime minister.
The young Mary Churchill was uniquely placed to observe this remarkable historical moment, and her diaries—most of which have never been published until now—provide an immediate view of the great events of the war, as well as exchanges and intimate moments with her father. But these diaries...