I think the first two thirds is a four star book and the last third is more of a three star book. I just found the end a little too fantastical. Also, my ignorance of the historical parts makes me wonder how much social/political/religious commentary I am just not picking up on and what the real perspective is. But those things aside, it is a page turner. He really nails guilt, what happens when you don't do the right thing out of fear, what happens when you let bullies and sociopaths do their worst.