Hitching rides is an unreliable mode of transport. In temperatures of over a hundred degrees, you're lucky if a driver will open the door of his air-conditioned car long enough to let you slide in. That's Jack Reacher's conclusion. He's adrift in the fearsome heat of a Texas summer, and he needs to keep moving through the wide open vastness, like a shark in the water. The last thing he's worried about is exactly who picks him up.