Cabeza de Vaca came to the New world in 1527 as part of a Spanish expedition to conquer the region north of the Gulf of Mexico. His exploration party lost contact with their ships, set out northward on foot, and traveled, their numbers soon reduced from 300 to 4, across Florida, Texas, New Mexico, Arizona, and northern Mexico for the next eight years. In addition to being one of the great true adventure stories of all time, Cabeza de Vaca's account...