I finished this in one sitting thanks to a delayed flight and the fast paced nature of Kinnings' writing and the intensity of the story. From relatively slow beginnings the story picked up rapidly as the different characters and elements came together in an intense standoff below the City of London. There isn't anything amazingly stand out about the story but the characters are well written and combine traits that you don't always see in such stories, not to mention the fact that this time it is Christian extremists rather than the usual Islamic extremists that are the terrorizing the City (a pleasant change I can tell you). Not only that they are men and women that have fought on the side of the West and have their own delusions that have twisted their minds and beliefs as a result of what they have seen and experienced (and of course they are just unstable). An excellent fast paced thriller that passes the time beautifully (particularly when stuck at an airport).