Kenneth Warren. Big Steel: The First Century of the United States Steel Corporation, 1901-2001. Pittsburgh, Pa.: University of Pittsburgh Press, 2001. xviii + 405 pp. ISBN 0-8229-4160-0, $32.00; Margaret B. W. Graham and Alec T. Shuldiner. Corning and the Craft of Innovation. New York: Oxford University Press, 2001. xvi + 505 pp. ISBN 0-19-514097-4, $29.95