Confederate general Joseph O. Shelby and his legendary Iron Brigade refused to acknowledge Lee's surrender at Appomattox. Instead, they fought their way to Mexico in search of a place where they could continue to defy the United States government. These veteran Missouri calvarymen clawed their way for fifteen hundred miles, fighting Juaristas, Indians, desperados, and disgruntled gringos. Never defeated, they disbanded only when the Emperor Maximilian (the Austrian pretender to an illusory Mexican throne) declined their services. Shelby's adjutant, journalist John N. Edwards, recorded the...