I think it was a good book. There was nothing extraordinary about it, but I still liked it.
I do not really like mysteries, and this book definitely was one. It was very easy and fun to read though, very fast-paced and intriguing. I will say that it took a long time to make a lot of headway with the case. I was more that 3/4 of the way throughvthe book, and all we had was a scrape together a few suspects. It does together nicely in the end though.
The characters are very nicly rounded, and all have both flaws and good things. Edie, or Edith, is a pretty good spy, but I scream at her in my head sometimes for doing somenof the things she does. Anistasia, Ediths friend at boarding school, is also fairly well rounded, and the friendship between them is constantly wavering. The teachers are an extremely unique part of the story, because Edith suspects most of them, but then a suprise happens that I will not spoil.
The clues are well laid, and when things come together at the end, I definitely had that moment when I was like, "oh my gosh! I did not see that coming" as i said, the clues and suspects are well placed and not what you would expect.
To conclude, i think it was a good mystery book. Nothing absolutely extraordinary about it, but a satisfying and engaging mystery read.