I've been following this series as it has evolved and must admit, even though it is not a great series, this particular book in it I have found great.
It was a little past-paced, yes.
More violent and grim than the others, yes.
The plot is twisted and smart, yes!
What happened to Root was, I admit, a fantastic turn for the series. I know, it was depressing, but it helped the series a lot.
Apart from that, I have always found this series hilarious and possibly always will.
The witty sense of Foaly's humor will keep you smiling and laughing. Some of the humorous phrases in this book will keep you content and not grim during the whole time.
Recommended for most ages, just not anyone under ten.