Disappointing compared to the first 2 volumes

The peculiarity of this volume is that there is a continually changing perspective between Tris and Tobias. I do not know if it's because I was used to the view Tris but often j, was hard to realize that it was Tobias who told the story. There was not enough distinctions between the two views in writing.
We finally get answers about what is happening on the other side of the fence. rebound.
I was very disappointed (and sad) the end of which the fact that I put only 3 stars. And yet it is because I waited to write this review if I put one star.