Prey

In the Nevada desert, an experiment has gone horribly wrong. A cloud of nanoparticles—micro- robots—has escaped from the laboratory. This cloud is self- sustaining and self- reproducing. It is intelligent and learns from experience. For all practical purposes, it is alive. It has been programmed as a predator. It is evolving swiftly, becoming more deadly with each passing hour. Every attempt to destroy it has failed. And we are the prey. --front flap