By the age of nine, Taylor had mastered the science of rocket propulsion. At eleven, his grandmother's cancer diagnosis inspired him to seek new ways to produce medical isotopes. And by fourteen, Taylor had built a reactor which produces temperatures hotter than the sun, becoming the youngest person in history to achieve nuclear fusion. How did Taylor manage all this? And how did his parents find the courage to give their son the support and freedom he needed to succeed? Here is an astonishing story of audacity, perseverance and passion -- and a boy whose world seems to have no limits.