Multi faceted thriller reminiscent of Tom Clancy, but offers even more. Many threads run through the main storyline which makes it meaty and anything but boring, yet are tied up nicely. Exciting locations, a bit of romantic drama, lots of technology and of course the nuclear chess game between superpowers. Has an unexpected jaw dropping twist which adds to the thrills. David Zacharias has hit it out of the park with this one. A great read for Tom Clancy fans, techno thriller fans or anyone who enjoys a great book.