This book supports the missions of various outstanding organizations devoted to the growing field of public health nutrition to promote optimal health and well-being of communities and populations through nutrition-related services, program planning, interventions, and policy, environmental, and systems change. These include the Association of State Public Health Nutritionists, the World Public Health Nutrition Association, the Academy of Nutrition and Dietetics, the Food and Nutrition working group of the American Public Health Association, the Association of Graduate Programs in Public Health Nutrition, and the Southeastern University Consortium on Hunger, Poverty and Nutrition, among others. The book is organized into four main parts. Part one includes history and principles of public health nutrition, introduction to nutritional epidemiology, behavioral aspects of public health nutrition, and an overview of food policy. Part two includes cultural aspects of nutrition, health promotion within communities, and a focus on interprofessional practice in rural, urban, and global public health nutrition settings. Part three includes methods of community nutrition assessment, program planning, and public health nutrition intervention delivery and evaluation. Part four includes current nutrition-related health issues, professional development needs and strategies, sustainability concerns, food systems and environmental health trends, and opportunities. Each chapter provides learning objectives, key concepts, a glossary of terms, and a variety of learning resources including case studies, reflective questions, suggestions for learning activities, and resources for further study. It is the sincere hope of the editors and authors that this book will be an effective tool for training and inspiring future public health nutrition professionals to engage in transformative practice everywhere in the world to nourish the physical, emotional, and spiritual dimensions of all human beings.