This is a hard book to rate, just like some other people have already written.
The world is very interesting. The magic is, though a bit incomprehensible, very interesting. The characters are interesting as well, though maybe a little bit flat.
The book is well written. Although the number of (almost similar) names of lands, cities, districts and streets is quite confusing. The scripture magic is understandable, right up till the end where it all gets very confusing.
I am curious about part 2 though and I am definitely going to read it.