JON Jon didn’t know how demons came into the world, whether they were born, hatched, vomited, cloned, or harvested. But, as far as he could tell, no two demons looked anything alike. In high-school biology, he’d learned something about heredity. One concept had always stood out loud and clear. Like produced like. Ducks produced ducks, and they looked like ducks. People made people, and they looked like people. It was the same with every organism on the planet. Like produced like. Demons were another matter. Like produced likeDemons were weirdly unalike. He doubted if any of them were even in the same species. Some had two legs, while others had up to six. The arm counts varied from one to nine. Many had hands, but just as many had pincers, claws, or tentacles. The head count ranged from

