Santi finds the footprints three hundred meters from the door. Someone knelt behind those bushes for hours, watching an air vent.

Irina's warning is seven words long, but Irina never sends only seven words.

Something is moving. I can feel it.

The men who are coming are not hackers. They don't want to break the encryption; they're merely sitting in parked cars in seven countries, writing down the names of children who walk to school.

You can't firewall a street nor can you encrypt a walk home.

Kevin has spent seven books solving things with a screen and a keyboard. This one is made of soil, sight lines, and nine days. And in a cave a few kilometers away, for the first time in his life, Moncrow asks for help.

KEVIN X SEVEN: The Ground is about the moment the danger steps out of the machine and stands on the grass outside...and what a genius is worth when nothing clever will save him.