At first, I thought, that this book series will be my absolute favourite when I finish it. I really enjoyed the writing style and the idea of the story. However, they wrote one part after another and with every book my interest in the characters and their decisions started to lessen. I think this story could have been told in three to five books, since some of these books just were absolutely meaningless to the ending. To be honest, I don't really remeber what happend in the first six books, because the plot went out of the window. I really thought about giving up on the series, but I just kept going, because the books were really expensive and I hoped, that maybe things will change, since the beginning was so awsome.

Spoiler

And not to begin with I was so upset about the whole character development. Zoey seemed to become the girl she never wanted to be. I mean, at least she didn't have three boyfriends at once at the end without knowing which one she wants to choose.
And what about Heath? Honestly, I was happy he died. I mean, he was nice at the beginning but then he started to become annoying just like the rest.
And Erik's development is the worst of all. He was my favourite and I just didn't understand. It was like Zoey and her friends wanted everyone to think he was this possessive, arrogant guy. For me it was a change that was made from one second to another without a thought, why he ended up like this. Talking of Erik, what was that little fling with Shaylin? And Shaunee? Have they ever talked before they fell in love irrevocably?
Firstly, I thought Erik and Shaylin would end up together and then she got in a relationship with Nicole? They talked for about 2 minutes, then they kissed and all of a sudden Erik's forgotten?
And the last character I didn't understand was Neferet. It was quite a plottwist that she was the villain at the end. However, I really liked her in the first place, even when she got a little crazy, but starting from the tenth book, I think, she was absolutely lunatic. She just wanted all people to worship her and she killed like everyone, who said something she didn't like. At first, she was a great enemy. she was smart and her acts of revenge were comprehensible. From the tenth book on I just disliked her so much.