This open access book is a collection of 12 case studies capturing decades of experience improving health care and outcomes in low- and middle-income countries. Each case study is written by healthcare managers and providers who have implemented health improvement projects using quality improvement methodology, with analysis from global health experts on the practical application of improvement methods. The book shows how frontline providers in health and social services can identify gaps in care, propose changes to address those gaps, and test the effectiveness of their changes in order to improve health processes and outcomes.