This book examines the effects of immigration in New York City (New York) today, with particular attention to those "new immigrants" who arrived after 1965. Immigrant interaction with the city's public and private social services is emphasized. Data were drawn from interviews and from the 1980 U.S. Census. Part I: "The Background," is comprised of two chapters, "Introduction" and "Social and Legislative History." Part II: "Today's Demographics," is comprised of the following chapters: (1) "Recent Statistics on New York City Immigration"; (2) "Undocumented Aliens and the Census Undercount"; (3) "Five-City Comparison"; (4) "Ethnic Geography"; and (5) "Employment Patterns Among Today's Immigrants." Part III: "The Service Delivery System," is comprised of the following chapters: (1)"Social Services: Welfare and Beyond"; (2) "Refugee Resettlement"; (3) "Cuban/Haitian Entrants: A History"; (4) "The Catholic Church and Its Services to Immigrants"; (5) "The Role of Public Education"; (6) "Issues in Health Care"; (7) "Immigrants and the Criminal Justice System"; and (8) "The Immigration and Naturalization Service." Part IV: "For the Record," is comprised of the following chapters: (1) "Costs and Revenues"; (2) "Ethnic Media"; (3) "Inventory of Academic Studies"; (4) "Conclusions and Recommendations"; and (5) Epilogue: A Paean to the Lady." Statistical data are included on 29 tables and 13 graphs and maps. Eleven black-and-white photographs are included. An illustration of immigrant classifications, a glossary, a list of acronyms, an index, and a brief biography of the author are included. A 63-item bibliography is also included. (FMW)