Provides an accessible and comprehensive guide to the field of social marketing via 100 case studies from around the world related to multiple sectors including public health, injury prevention, environmental protection, community engagement, financial well-being, and education.Utilizes a common structure for each case study to give the reader a clear sense of how success in social marketing may best to achieved in a wide variety of disciplinary and national contexts.Issues addressed include public health (opioid use, mental health, COVID-19) , injury prevention (gun violence, youth suicide, texting while driving), environmental protection (wildfires, bicycle transportation in urban areas, food waste), community engagement (homelessness, racially motivated violence, voting) financial wellbeing (microfinance, savings, employment), and educational achievement (early childhood education, college applications, female participation in STEM programs), to name but a few.