Thousands of busy persons bent over their desks in the tallest building in the world-conducting the commerce of the nation-when suddenly the steel girders began to creak and twist, and the gigantic edifice swayed giddily in the rising wind. Never before had criminal brains devised a more cunning or a more horrible weapon to garner their ill-gotten treasures. And never before was the Spider so strenuously put to test-for the Master, the man behind...