The battles of Front Royal and Winchester are the stuff of Civil War legend. Stonewall Jackson swept away an isolated Union division under the command of Nathaniel Banks and made his presence in the northern Shenandoah Valley so frightful a prospect that it triggered an overreaction from President Lincoln, yielding huge benefits for the Confederacy. Gary Ecelbarger has undertaken a comprehensive reassessment of those battles to show their influence on both war strategy and the continuation of the conflict. Three Days in the Shenandoah answers questions that have perplexed historians for...