Few figures in American history are as arresting as George Armstrong Custer, America's Hostspur. His career ranged back and forth from depths of disgrace to heights of glory. If he was no classroom scholar, he was a magnetic battlefield commander. From dead last in his 1861 class at West Point, he rocketed to the rank of Brigadier General at the age of twenty-three. Along the way, every step of his career was dogged by controversy. Readers will...