Geographic Information Systems (GIS) provide a digital lens for exploring the dynamic connections among people, health and well-being, and our changing physical and social environments. As such, they have the potential to be tremendously useful tools for analyzing and addressing public health problems. This clearly written book provides a solid foundation in GIS, explaining basic concepts and emonstrating how to implement core data analysis techniques. Carefully balancing theoretical and practical concerns, the authors cut straight through the jargon to emphasize relevant applications in the field. Readers concerned with spatial analysis of public health problems, from students to working professionals, will find everything they need to get started with GIS in this indispensable text.