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The book Strategic Investment for Health System Resilience: A Three-Layer Framework, edited by Zhao, Feng, Kovacevic, Rialda, Bishai, David, and Weintraub, Jeff, presents a comprehensive investment framework designed to enhance health systems’ resilience in the face of emergencies. The framework consists of three layers: risk reduction through primary healthcare and prevention, detection and containment capabilities, and advanced case management and surge response. By prioritizing these interventions, the book emphasizes the importance of a well-rounded approach to public health that can respond to both fast-acting epidemics and long-term noncommunicable disease trends, offering cost-effective strategies for low- and middle-income countries.