Here is a practical and comprehensive introduction to methods in social epidemiology. Social epidemiology is the scientific study of how social interactions, such as social norms, laws, institutions, conventia, social conditions and strategic behavior, affect the health of populations. This text fills the need for a methodological approach to this important area in social and public health research. Accessibility and translations of deep methodological ideas/issues will be emphasized. The work of leading social epidemiologist methodologists will be presented in a unified, structured way. Topics covered include history of social epidemiological methods/causality;; Causal Inference in Social Epid; Community Measures; Socioeconomic Position; Health Inequalities; Segregation; Social Capital; Poverty; Neighborhood Deprivation Social Networks; Race and Racial Discrimination; Interaction-based Models; Qualitative Methods; Community Trials; Working with Random and Hidden Populations; Multilevel Models; CBPR Methods; Propensity Score Analyses; and Instrumental Variable Analysis