Once upon a time, in the earliest days of interplanetary exploration, an unarmed human vessel was set upon by a warship from the planet kzin. But the kzinti learned the hard way that the reason humanity had given up war ...Once upon a time, in the earliest days of interplanetary exploration, an unarmed human vessel was set upon by a warship from the planet kzin. But the kzinti learned the hard way that the reason humanity had given up war was that they were so very, very good at it.