Hardcover Jacket Version) In every living thing, there lies a code that instructs the design of that organism. It is the genetic code. Made up of trillions of chemical components, it makes us who we are. It makes us individuals. We already can alter the code to design babies. But what if we could create the code to make 'perfect' babies? For thousands of years humans have longed for it. They even created stories of a perfect being to explain nature. Now, a highly advanced genetics company is about to take the next step. They are going to try to create perfection itself. But how can they create perfection in an imperfect world?