On the morning of August 6, 1945, an American bomber, the Enola Gay, roars down the runway of the Pacific island, Tinian. Its target is Hiroshima, Japan. Its cargo is an atom bomb. The same morning, twelve-year-old Sachi and her classmates tear down houses. It is their way of contributing to the war effort. Suddenly, a teacher yells "B-29! B-29!" There is a blinding light like the sun, a boom like a giant drum. The Enola Gay has dropped an atom bomb over Hiroshima. Will Sachi ever see her family again? Book jacket.