EDUARDO D. FAINGOLD is Associate Professor of Spanish and Linguistics at the University of Tulsa. He is the author of three other books (Child Language, Creolization, and Historical Change: Spanish in Contact with Portuguese; Codice de Composicion; and Multilingualism from Infancy to Adolescence) and has held visiting appointments at UCLA, SUNY Stony Brook, The Hebrew University, the University of Hawaii, and the Max Planck Institute.