"Perpetual Motion" is a fantasy novel written by the famous writer John Benzenson. In this book, he tells the story of an inventor who decides to create a machine that will run forever without the need for an additional source of energy. His search for perpetual motion leads him to dangerous discoveries, as well as to philosophical thoughts about the nature of time and energy. Readers interested in science fiction and a great story will be eager to turn every page of this exciting book."