Gives readers a behind-the-scenes look at the invention of the atomic bomb. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.

Describes the dropping of the atomic bomb on Hiroshima, Japan, particularly as it affects Sachi, who becomes one of the Hiroshima Maidens.

Examines the development of the first atomic bombs and profiles J. Robert Oppenheimer, the director of the Manhattan Project.

Describes the events and people surrounding the creation of the atomic bomb, and examines the effects of its use during World War II.