The Glory of Their Times: The Story of the Early Days of Baseball Told by the Men Who Played It (Harper Perennial Modern Classics)

by Lawrence S. Ritter

Gives you an idea of how wild Feller was, a right-handed pitcher throwing behind a left-handed batter. Later he developed a terrific curve and then he was just unhittable. You couldn’t hit the curve so you’d wait for the fastball, but that would be by you before you knew what happened!