The stunning story of one of America’s great disasters, a preventable tragedy of Gilded Age America, brilliantly told by master historian David McCullough. At the end of the nineteenth century, Johnstown, Pennsylvania, was a booming coal-and-steel town filled with hardworking families striving for a piece of the nation’s burgeoning industrial prosperity. In the mountains above Johnstown, an old earth dam had been hastily rebuilt to create a lake for an exclusive summer resort patronized by the tycoons of that same industrial prosperity, among them Andrew Carnegie, Henry Clay Frick, and Andrew ... continue