I Say, I Say . . . Son!” offers a rare behind-the-scenes look at the work of the McKimson brothers, three of the most accomplished and influential animators in history.Tracing the brothers’ careers from the 1920s onward, this beautifully illustrated book details how Bob McKimson created such beloved characters as Foghorn Leghorn, the Tasmanian Devil, Sylvester Jr., and the original Speedy…