The first time around I absolutely adored this book, it was one of the books that really helped to push me back into reading and because of this I could see no faults with it. 
 This time around (about a year later) I noticed some flaws. The characters weren't as good, or as well-fleshed out as some of those that I've encountered in the past year. Also, a lot of the second part of the book, when the spies are travelling together, is not particularly strong; for the most part it just felt like fodder to show that they were travelling and some chapters didn't do a thing to advance the plot. Ultimately, though, it was still a satisfying read.