Lynn Stephen's innovative ethnography follows indigenous Mexicans from two towns in the state of Oaxaca--the Mixtec community of San Agustín Atenango and the Zapotec community of Teotitlán del Valle--who periodically leave their homes in Mexico for extended periods of work in California and Oregon. Demonstrating that the line separating Mexico and the United States is only one among the many borders that these migrants repeatedly cross (including...