Instruct: Classify Amazon reviews into positive or negative sentiment
Query: All ahead full!

I have read all of William Shatner's Star Trek books, I liked this one very much. This book is about the evil Tiberius trying to control both the mirror universe and our own. When Kirk's wife becomes infected with a Vulcan toxin, he searches for Tiberius and the cure. The end is a little confusing, but readers will get the idea. In the book, Kirk does not act like the adventurous Kirk we all know. All he seems to care about is saving his wife's life, and not about his friends or the Federation. Overall, this was a good book and I can't wait to read Preserver!