I enjoyed this book a great deal, even though I read it on a 747 flying out of Kennedy Airport towards London! This is Silva's second book, and the first to deal with the threat of international terrorism. It is quite topical in a sense, considering the fate of TWA600. It is an excellent thriller, fast paced, with well-developed characters. Clearly a good training for Silva, since his character development in his subsequent novels was outstanding. I do not agree with some other reviewers who state that the plot is not believable. I believe that it is all too believable. The story starts when an international airliner is downed by a missile fired from a terrorist on a boat. The terrorist kills his accomplice in a signature fashion, which comes to the attention of a CIA analyst, Michael Osborne, who has his own personal score to settle with the terrorist. And so we plunge into the intriguing and scary world of international terrorism, and the anti-terrorist efforts spearheaded by Osborne. Of course, there are some interesting sub-plots woven in as well, often dealing with the personal lives of the main players. It was a damn good read, and can I strongly recommend this book.