Fronteras en América del Norte Estudios multidisciplinarios / FRONTERAS EN AMÉRICA DEL NORTE ESTUDIOS MULTIDISCIPLINARIOS / Alejandro Mercado Celis, Elizabeth Gutiérrez Romero, (Editors). México, D.F.: UNAM, Centro de Investigaciones Sobre América del Norte, 2004. 534 pages: 20 cm. Bibl., bibl. notes, graphs, photos, tables. ISBN: 9703213790 Interdisciplinary study on migratory processes in North America. Analyzes interactions of groups and individuals in the border areas of Mexico, the United States and Canada. Examines various constructions of identity in daily interactions among three countries’ inhabitants, their social and cultural representations, structural models of working at the borders, challenges in community creation, and geopolitical transformations.