Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: There's no mystery here---

If you've never read any of the Sneaky Pie books--don't buy this one! Start at the beginning (Wish You Were Here) as this was once a great series, and read the books in sequence until you begin to get bored--then STOP!! The series only gets worse.The wonderful warm characters have lost their charm, the "mysteries" have become flat and nonexistent, and the books have been weighted down with too much technical information.Ms. Brown also has begun using her books as a soapbox for her many opinions. While it is interesting to find out an author's views, she goes on and on...and on.