Includes bibliographical references (pages 371-398) and index.

Lou Gehrig was the Iron Horse, baseball's strongest and most determined superstar-struck down in his prime by a disease that now bears his name. But who was Lou Gehrig, really? What fueled his ferocious competitive drive? How did he cope with the illness that abruptly ended his career and drained him of his legendary power? Drawing on dozens of new interviews and hundreds of pages of Gehrig's personal and previously unpublished letters, this definitive biography gives us a deeper, more intimate understanding of the life of an American hero.