Armageddon: The Cosmic Battle of the Ages is the 11th novel in the Left Behind series by Tim LaHaye and Jerry Jenkins. It was first published in April 2003. It was on The New York Times Best Seller list for 20 weeks. It takes place 6–7 years into the Tribulation, 2+1⁄2 to 3+1⁄2 years into the Great Tribulation, and at the end of the novel the day of the Glorious Appearing. Source: Wikipedia (en)