Pioneering antinuclear activist Helen Caldicott assembles the world's leading nuclear scientists and thought leaders to assess the political and scientific dimensions of the threat of nuclear war today. Chapters include the size and distribution of the current global nuclear arsenal and the history and politics of nuclear weapons. The book ends with a devastating description of what a nuclear attack on Manhattan would look like, followed by an overview of contemporary antinuclear activism. Both essential and terrifying, this book is sure to become the new bible of the antinuclear movement.