When I started reading Peter James' Perfect People, it felt as if I was reading something by Michael Crichton or Stephen King. The way the novel sets out is very strong. You start when a couple are on a ship, which seems to be a medical ship. Then you find out it's because they want to have a genetically modified child. But why?
Peter James eases us into the story. He shows us what the parents have gone through with their first born son, so the reader understands why they are getting these extreme measures done.
I believe James is not able to uphold Crichton's and King's writing style though and that's why the story is sagging towards the end. He cannot really hold the reader's attention. I also believe he went into the wrong direction with the religious cult chasing the genetically enhanced children, but King could've gotten away with that because he would've been able to tell it so that even though it is so absurd we still want to keep reading.
It's unfair for James that I'm comparing him to these two amazing authors, because in his own right he is a good writer and this was a very entertaining novel.