A riveting, minute-by-minute account of the momentous event that changed our world forever

On a quiet Monday morning in August 1945, a five-ton bomb--dubbed Little Boy by its creators--was dropped from an American plane onto the Japanese city of Hiroshima. On that day, a firestorm of previously unimagined power was unleashed on a vibrant metropolis of 300,000 people, leaving one third of its population dead, its buildings and landmarks incinerated. It was the terrifying dawn of the Atomic Age, spawning decades of paranoia, mistrust, and a widespread and very real fear of the...