Like a well-planned time capsule, Arkansas is a fascinating picture of the state's evolution: from a wilderness explored by Hernando de Soto to a rowdy and often lawless frontier, a partner in the shameful dislocation of Native Americans, a state in the Confederacy, a source of homegrown populists, and always a land of opportunity. As Harry S. Ashmore states in his introduction to this third volume of the John Gould Fletcher Series,...