This timely title discusses the creation of the atom bomb and the post-World War II nuclear arms race that shaped the consciousness of generations. Primary and secondary source materials such as contemporary photos, speeches, letters, and newspaper accounts are examined, offering readers insight into a world reeling from years of conflict, and the competing political and social ideologies of the former Soviet Union and the United States and its allies. Topics covered include the Manhattan Project, the dropping of the first atomic bombs, and the escalation of the arms race, as well as nuclear treaties and the relevance to today's nuclear threats. Teacher's guide available.