Long before the rise of mega-corporations like Wal-Mart and Microsoft, Standard Oil controlled the oil industry with a monopolistic force unprecedented in American business history. Undaunted by the ruthless power of its owner, John D. Rockefeller (1839-1937), a fearless and ambitious reporter named Ida Minerva Tarbell (1857-1944) confronted the company known simply as "The Trust." Through her peerless fact gathering and devastating prose, Tarbell,...