On the surface, THE INVISIBLE MAN concerns a scientist named Griffin who has discovered the means to invisibility--but who has gone mad in the process. When frustrated in his efforts to restore himself to visibility, he determines to embark upon a reign of terror that will make him master of the world. It is worth noting, however, that Wells was very much a social writer and that his novels are inevitably commentaries on various social evils. Once you scratch the surface of THE INVISIBLE MAN you will find that it is very much a parable of class structure that dominated British life during the Victorian age: there are many invisible men; this particular one, however, is in a very literal situation. And it is the literal situation from which the novel draws most of its power.