During a pivotal few months in the middle of the First World War all sides-Germany, Britain, and America-believed the war could be concluded. Peace at the end of 1916 would have saved millions of lives and changed the course of history utterly.

Two years into the most terrible conflict the world had ever known, the warring powers faced a crisis. There were no good military options. Money, men, and supplies were running short on all sides. The German chancellor secretly sought President Woodrow Wilson's mediation to end the war, just as British ministers and France's president also concluded that the time was right. The Road Less Traveled describes how tantalizingly close these far-sighted statesmen came to ending the war, saving millions of lives, and avoiding the total war that dimmed hopes for a better world.
Theirs was a secret battle that is only now becoming fully understood, a story of civic courage, awful responsibility, and how some...