This book investigates the moral legitimacy of nuclear deterrence policies through a rigorous ethical framework. The authors, Germain Gabriel Grisez, John Finnis, and Joseph Boyle Jr., utilize principles of moral philosophy to challenge the strategic justifications often cited by policymakers. They argue that nuclear deterrence, by its very nature, relies on an intent to commit mass destruction, which they contend is fundamentally incompatible with moral action regardless of the geopolitical context.

Experts recognize this work as a significant contribution to the philosophical discourse on nuclear ethics and the morality of war. Readers frequently note the dense, analytical nature of the prose, which demands a high level of engagement with moral theory.