About six weeks ago, I caught the tail end of the movie version of I am Number Four on TNT or USA or one of those other cable networks. I had seen it before and found it a mindless way to spend 90 minutes, but not particularly great. (Though Timothy Olyphant is always appreciated.)  The movie ends with a set-up for future movies and this made me wonder about the book—whether there was more to the story and whether the book had done it better. […]