Bean, Frank D., Rodolfo 0. de la Garza, Bryan R. Roberts, and Sidney Weintraub, eds. At the Crossroads: Mexico and U.S. Immigration Policy. Lanham: Rowman and Littlefield, 1997. Tables, index, 322 pp.; hardcover $66, paperback $25.95. Cravey, Altha J. Women and Work in Mexico's Maquiladoras. Lanham: Rowman and Littlefield, 1998. Maps, tables, index, 176 pp.; hardcover $52, paperback $19.95. De la Garza, Rodolfo 0., and Jesuis Velasco, eds. Bridging the Border: TransformingMexico-U.S. Relations. Lanham: Rowman and Littlefield, 1997. Tables, index, 208 pp.; hardcover $68.50, paperback $26.95. Hart, John Mason, ed. Border Crossings: Mexican andMexican-American Workers. Wilmington: Scholarly Resources, 1998. Notes, index, 243 pp.; hardcover $55, paperback $18.95. Staudt, Kathleen. Free Trade? Informal Economies at the U.S.-Mexico Border. Philadelphia: Temple University Press, 1998. Photographs, maps, tables, index, 256 pp.; hardcover $59.95, paperback $19.95.