"An extremely valuable original source on Texas history that heretofore has not been available to scholars or the reading public." —Donald E. Chipman, Professor of History, University of North TexasTexas was already slipping from the grasp of Mexico when Manuel Mier y Terán made his tour of inspection in 1828. American settlers were pouring across the vaguely defined border between Mexico's northernmost province and the United States, along with a host of Indian na...