After 17,000,000 books already being sold in the series, the Mark hits the shelves as the first book "Left Behind" is about to be released as a movie. Continuing the Saga of those left behind, this 'Episode' once again reveals a little bit more of the story, as the tribulation hots up. As many of the other books you can get bogged down in all the padding out, but again as all the other books, by the time you've put the book down (which is generally once you've reached the end!) you forget this, as it has added to the intencity, and anticipation for what happens next! The Mark often known in terms of 666, is the focus of the book (probably obvious from the title) and at times it becomes too focused, but it's description adds to the fear, suspense, and at times sheer horror, of the times ahead. This book like the whole series is a must for all, as it is (although based on Christian themes (some controversial to Christian and non-Christian alike) a fantasic work from inspired authors. A superb plot, very emotional, and who knows, a glimpse into the future?