This collection of key source materials documents the history of the field, identifies important turning points in research and practice, and indicates key challenges for the future. It also addresses the urgent need for perspectives from the global South to complement the more familiar ones of official documents and researchers in high-income countries. Global Health includes four volumes: Volume One: Historical Perspectives: From International to Global Health Volume Two: Scientific Advances Volume Three: Scientific Consolidation Volume Four: Global Health Ethics, Public Policy and Challenges for the Future