Of the hundreds of books I have read this is easily the most poorly written. The ideas are derivative like so many of the books which float in the wake of Dan Brown. There's evidence of a lot of research but the attitude seems to be 'I've worked hard getting all this …more together and I'm going to cram it all in if it kills me!'
Add a dash of Dracula and you end up with an utter waste of time. (less)