Part 1 Introduction: theories of homelessness - an overview; a social interdependency model; plan of the book. Part 2 Dimensions and contexts of homelessness: counting the homeless; geographic distribution; subgroups; patterns; tests of the demographic model. Part 3 The disability hypothesis: poor education as a social disability; marginal employment histories; mental illness; alcohol and drug abuse; physical health problems; criminal involvements; multiple disabilities; disabilties as a cause of homelessness. Part 4 Role of economic restructuring: economic restructuring; impact on at-risk populations; employment studies of homeless persons; causal connection; analysis of the role of economic restructuring. Part 5 Primary supports - family and community: trends in marriage and family; overall findings and their interpretation; loss and dysfunction in the family of origin; disengagement and support from the family of procreation; isolation from friends; test of the impact of family fragmentation. Part 6 Secondary supports - human service and income maintenance programmes: the impact of declines in income maintenance benefits; mental health services and deinstitutionalization; impact of deinstitutionalization on the homeless; substance abuse programmes; other mainstream human services; theories on the effects of services; services specific to the homeless; multivariate and structural analyses. Part 7 Housing unaffordability -cause or symptom?: low income housing shortage; causes of the affordability crisis; reported housing experience of homeless persons; multivariate analysis of the impact of housing conditions; structural analysis. Part 8 An interdependency model of social disintegration: review of methodologies used; the explanatory model the prediction model; model fit and testing; 1995 model projections; interdependency model revisited. Part 9 Strategies for ending homelessness: a review of current and proposed strategies; linked social develoment strategy (competency building component, community building component, linkage component); concluding comments; appendix - data and research strategy, statistics on goodness of fit indices for structural models, nonlinear relationships of service indicators with rates of homelessness.