Science Friction - Ben 10 Ultimate Alien Author:Scholastic Cooper drags Ben, Gwen, and Kevin Kevin to the annual Sci-Fi convention, a big attraction for comic book geeks everywhere. No one, except Cooper, is that excited about it until a movie prop turns out to be real alien tech and spews out an army of mini-aliens! Ben has to change forms rapidly to try to stop the little aliens while Kevin and Cooper... more » work to trun the machine off. They manage to save the convention and the crowd just thinks the whole thing was a movie promotion!« less