The New Americans (NRC 1997) presents an analysis of the economic gains and losses from immigration?for the nation, states, and local areas?providing a scientific foundation for public discussion and policymaking. This companion book of systematic research presents nine original and synthesis papers with detailed data and analysis that support and extend the work in the first book and point the way for future work. The Immigration Debate includes case studies of the fiscal effects of immigration in New Jersey and California, studies of the impact of immigration on population redistribution and on crime in the United States, and much more.