David McCullough, The Wright Brothers (New York: Simon & Schuster, 2015); Tom D. Crouch, The Bishop’s Boys: A Life of Wilbur and Orville Wright (New York: W. W. Norton, 2003); James Tobin, To Conquer the Air (New York: Free Press, 2003); Peter L. Jakab and Rick Young, eds., The Published Writings of Wilbur and Orville Wright (Washington, DC: Smithsonian, 2000); Fred Howard, Wilbur and Orville: A Biography of the Wright Brothers (New York: Ballantine, 1988).