The Human Experiment — Eric S. Brown

Two decades ago, a highly-classified system to genetically advance humans to the next level was created. It was called the Human Experiment. But the experiment was taken farther than it was ever meant to go. The result was Simon, a super-human with powers beyond anything the world had ever seen. To stop Simon, CIA calls Agent Death into action. With the help of other super-humans, Agent Death must struggle with this own inner battles in a race against time. Can anything be done to stop Simon before it's too late?