Envision a cold and calculating future world, where mankind has attained miraculous gains on the one certain, chilling fact of life that has plagued the species since the dawn of time. In this bold new landscape, humans are able to predict the body's natural demise with a specific numerical prediction of the age of death, called a PDA. What's more, life spans have dramatically increased, and humans can fend off the inevitable depending on how they live. That is, all humans except for one: Sophia Nolan, who, since birth, has faced a number that has idled at a grim twenty-seven. Twenty-Seven,...