" At that same moment Jack Reacher was seventy miles away, in a Greyhound bus, on the interstate highway. He was on the left side of the vehicle, toward the rear, in the window seat over the axle. There was no one next to him. Altogether there were twenty-nine other passengers. The usual mixture. Nothing special. Except for one particular situation, which was mildly interesting. Across the aisle and one row in front was a guy asleep with his head hanging down. He had gray hair overdue for a trim, and loose gray skin, as if he had lost a lot of weight. He could have been seventy years old. He was wearing a short blue zip jacket. Some kind of heavy cotton. Maybe waterproof. The butt end of a fat envelope was sticking out of the pocket. It "

― Lee Child , Blue Moon (Jack Reacher, #24)