Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Bitter Disapointment

I have loved all of Jayne Castle's fururistic romances until this one. It was so poorly written I checked to be sure it really was her book. All the things I loved about Harmony in the other three books, are missing from this one and I felt cheated. Part of the enjoyment, for me, was thinking about how things like cof-tea really would have tasted. I realize that remembering and thinking all these things out make it a lot harder to write the book but this most recent effort seemed like it was just thrown together. Those of us who read all your books feel like we know this world you have made, their special talents, moral background, culture. A lot of time was spent designing and explaining this in other books. I am fascinated when you introduce new talents so this book shouldn't have been any different but it was. I felt cheated. Please Jayne go back to your old format, I need your laughter in my life.