Introduction: A New Challenge, a New DebateMichael D. Cohen and Sung Chull Kim1. North Korea and Nuclear Weapons: Nonproliferation or Deterrence? Or Both?Patrick Morgan2. North Korea's Nuclear Doctrine and Revisionist StrategySung Chull Kim3. North Korea, Nuclear Weapons, and No Good Options? A Controlled Path to PeaceMichael D. Cohen4. The Unraveling of North Korea's Proliferation Blackmail StrategyTristan Volpe5. Does Nuclearization Impact Threat Credibility? Insights from the Korean PeninsulaVan Jackson6. The North Korean Nuclear Threat and South Korea's Deterrence StrategyChaesung Chun7. Stability or Instability? The US Response to North Korean Nuclear WeaponsTerrence Roehrig8. Between the Bomb and the United States: China Face the Nuclear North KoreaFei-Ling Wang9. Spear versus Shield? North Korea's Nuclear Path and Challenges to the NPT SystemYangmo KuConclusion: Deterrence and BeyondSung Chull Kim and Michael D. CohenContributorsIndex