"The relationship between Winston Churchill and Franklin Roosevelt was among the most momentous--and mysterious--in history. The story of how these fiercely independent leaders worked together to defeat Hitler's Germany has been divined mainly from their cautious letters and the comments of staffers. Meanwhile, the detailed record of their fellow head of government, Canadian Prime Minister William L. Mackenzie King, who knew each of them better than they knew each other, has been largely overlooked. A sublime diplomat, King was determined, as leader of the largest British Dominion and America's closest neighbor, to serve as a lynchpin between the great powers. Churchill and Roosevelt both came to rely upon him as their next most important ally, routinely confiding in him and never suspecting that he was meticulously recording every word, prayer, slight, and tic from their countless interactions in his voluminous unpublished diary"--Provided by publisher.