What is superstring theory and why is it important? Can superstrings offer the fulfilment of Einstein's lifelong dream of a Theory of Everything? Co-authored by Michio Kaku, one of the leading pioneers of superstrings, this is a thrilling account of the discoveries that have led scientists to the brightest new prospect in theoretical physics today. With all the excitement of a detective story, this book contains the newest ground-breaking research in physics, and offers a fascinating look at the scientific research that may make the impossible possible.