In a marvelous debut novel that has been compared to Ralph Ellison's Invisible Man and Joseph Heller's Catch-22, Colson Whitehead has created a strangely skewed world of elevators and the people who control their ups and downs. Lila Mae Watson-the first black female inspector in the world's tallest city-has the highest performance rating of anyone in the Department of Elevator Inspectors. This upsets her superiors, because Lila is an Intuitionist:...