James Watson the co-discoverer of the structure of DNA & author of the international bestseller The Double Helix" tells the story of the amazing molecule since its discovery fifty years ago following modern genetics from his own Nobel prize-winning work in the fifties to todays Dolly the sheep designer babies & GM foods. Professor Watson introduces the science of modern genetics along with its history & its implications in this magnificent guide to one of the most triumphant achievements of human science."