Introduction - ethnogenesis: coming of age in immigrant America / Rubén G. Rumbaut and Alejandro Portes -- The demographic diversity of immigrants and their children / Leif Jensen -- Mexican Americans: a second generation at risk / David E. López and Ricardo D. Stanton-Salazar -- Growing up in Cuban Miami: immigration, the enclave, and new generations / Lisandro Pérez -- Nicaraguans: voices lost, voices found / Patricia Fernández-Kelly and Sara Curran -- The paradox of assimilation: children of Filipino immigrants in San Diego / Yen Le Espiritu and Diane L. Wolf -- Straddling different worlds: the acculturation of Vietnamese refugee children / Min Zhou