What was the great and golden secret known to Leonardo Da Vinci, Kepler, Plato, and the ancient magicians? Why were they forbidden to reveal it? Can there really be a key to nature and life itself? In this small but compact volume divine proportion, supersleuth Dr. Olsen unravels perhaps the greatest mystery of all time, a code that seems to underly life, the universe and everything, a pattern we instinctively recognize as beautiful, and which nature herself uses at every scale.