Blue moon : a Jack Reacher novel

"This is a random universe," Reacher says. "Once in a blue moon things turn out just right." This isn't one of those times. Reacher is on a Greyhound bus, minding his own business, with no particular place to go, and all the time in the world to get there. Then he steps off the bus to help an old man who is obviously just a victim waiting to happen. But you know what they say about good deeds. Now Reacher wants to make it right. An elderly couple...