Come for the gun? he asked. Bought you something, I said, holding out the sack. You have to get that dog out of here, he said. There are no dogs allowed. That isn't any dog, I told him. I don't know what he calls himself, or where he may have come from, but he is an alien. Stirling turned all the way around, interested. He squinted at the Dog. An alien, he said, not too surprised. You mean someone from the stars? That, said the Dog, is exactly what he means.

1963