Within four weeks of the fall of Fort Sumter, President Abraham Lincoln had declared a blockade of over four thousand miles of Confederate coastline, from Cape Henry in Virginia to the Mexican border. In response, professional runners, lured by both profits and patriotism, built faster, sleeker, low-profile ships and piloted them through the ever-thickening Northern cordon. The tonnage they imported, including items ranging from straight pins to marine engines, sustained the South throughout the conflict. This exciting chronicle of the men and ships that ran federal naval blockades during...