Eighty years after the U.S. dropped the atomic bomb on Nagasaki amid the rationale that it would save lives, a new book tells the survivors' stories

Eighty years ago, in August 1945, the cities of Hiroshima and Nagasaki were incinerated by the first and only use of nuclear weapons in war. By the end of that year, approximately 140,000 people had died in Hiroshima and 74,