During the American Civil War the western Trans-Mississippi frontier was host to harsh environmental conditions, irregular warfare, and intense racial tensions that created extraordinarily difficult conditions for both combatants and civilians. Matthew M. Stith's Extreme Civil War focuses on Kansas, Missouri, Arkansas, and Indian Territory to examine the physical and cultural frontiers that challenged Confederate and Union forces alike. A disturbing narrative emerges where conflict indiscriminately beset troops and families in a region that continually verged on social and political...