The Truman Tower , its two longer sides sloping nearly to a point, jutted three hundred and fifty-two stories into the stormy Chicago sky. With the IBM Building gone, it was the tallest building in the city, but far short of holding that record for the world, despite its owner's wishes. Molded from blue glass and darker steel, it reflected and distorted the gray of the threatening sky and the bright orange and white wedge of the twenty-meter-long, lighter-than-air transport moored to its upper deck.