When I finally found this book last year in the library, I was curious. I really liked the first books in the series, but also felt it started to drag a bit.
I was a bit disappointed. It was not a bad book, but it felt like there was a lot of repetition in this book. At this point in the story there are so many people travelling back and forth that it's in one way or another both complicated and easy. It's hard to keep track of everyone, and just how they it in the story, but on the other hand, they have so many people helping out now, that it feel simple.
I've now only one book to go, so I'll definitely go and read that one as well, just to finish the series.
Note: I read a Dutch translation of this book