Popular lore has long depicted the Karankawa Indians as primitive scavengers (perhaps even cannibals) who eked out a meager subsistence from fishing, hunting and gathering on the Texas coastal plains. That caricature, according to Robert Ricklis, hides the reality of a people who were well-adapted to their environment, skillful in using its resources, and successful in maintaining their culture until the arrival of Anglo-American settlers.

The Karankawa Indians of Texas is the first modern, well-researched history of the Karankawa from prehistoric times until their...