Of all the books of the Bible, few are as fascinating or as intimidating as Revelation. Four grim horsemen, the Antichrist, the ten-horned beast, the ultimate battle at Armageddon, the "mark of the beast." It's no wonder that these images have griped the imagination of so many--and have been variously interpreted as symbolizing everything from Hitler and Gorbachev to credit cards and the Internet. Is the book of Revelation...