The event became known as The Pulse. The virus was carried by every cellular phone operating in the world. Within hours, those receiving calls would become insane — or die. In Boston, a young artist, Clayton Riddell, flees the explosive heart of the city. He makes the connection between those using their cell phones and the mayhem that ensues. Clay's son has a little red cell phone. Often out of juice. But what if this time the battery is full? Clay has to reach his son, before his son reaches for his phone.. <br/>--back cover