Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not bad.

I like Rollin's style of writing. He keeps you interested. This book is much better than Sandstorm though, which I wasn't crazy about. I like that he can put in a little Indiana Jones-esque magic now and then in his books because so many of these thrillers try so hard to make everything scientifically possible that it gets annoying reading about this or that supposedly real piece of army junk. I prefer Rollin's to Dan Brown, but I can't say why. This is a good book though. His best [...]