Shot from the Sky is about one of the great, dark secrets of World War II: Neutral Switzerland shot down U.S. aircraft entering Swiss airspace and imprisoned the survivors in internment camps, detaining more than a thousand American flyers between 1943 and the war’s end. While conditions at the camps were adequate and humane for internees who obeyed their captors’ orders, the experience was very different for those who attempted to escape. They were held in special...