When Stan recovered consciousness, he had one delicious moment of thinking he was ten years old and had just awakened from a particularly terrifying dream. How grateful he was to find himself in his own bed! There, just across from him, was his computer, a good one, which his parents had bought for his last birthday. His floppy-eared toy puppy was there, though of course he was too old to play with it. Still, Mr. Muggs watched while Stan did his experiments.

Now Stan stretched luxuriously and tried to think how he'd spend his day. There were some spiderwebs down near the brook that he wanted to investigate...

His outstretched fingers touched something wet and sticky. He recoiled, turned his head, looked. It was Mac, dead. He had pushed his fingers into the sticky wound in Mac's throat. What he had thought was his computer was actually the skeleton of a cow. And there were aliens glaring at him, seeing him, and starting toward him....

"Gill!" Julie screamed. "Start shooting! But for God's sake don't hit Stan!"

Julie was firing as she spoke. She had unslung the plasma rifle she had been carrying by its strap over her shoulder. Red-orange flame lanced out from its muzzle, painting the garbage pit in lurid colors and huge dancing shadows.

The concentrated fury of the plasma blast danced around the aliens, who had begun advancing on Stan from a passageway that led into the midden. Red, acetylenelike cutting flames poked and probed at them, lancing through their bodies, stabbing into arms and legs. Gill was firing simultaneously, caseless carbine rounds that blew the aliens off their feet, sending them halfway up the pit, to tumble back again in a welter of severed arms and heads.

The plasma fire and the caseless rounds wove a dance of death around Stan's recumbent body. The fire approached him and then, almost delicately, backed away again.

Julie ran around the circumference of the pit, firing to keep the aliens from coming up on Stan from behind. Gill held his position, blasting a way clear for Stan, who finally stumbled to his feet and made his way to the side of the pit. He tried feebly to climb back out.

"Can you hold them, Gill?" Julie asked.

"I think so," Gill muttered.

Julie slung her plasma rifle and reached out for Stan's hand. Their fingers touched and clasped. No sooner did Julie have a good grip than she heaved, putting into it every ounce of strength in her slender body. Stan seemed to fly into the air, landing on the edge of the pit.

While he tried to catch his breath, Gill finished off the last of the aliens, scattering arms and legs everywhere. Then he turned to help Stan. Stan tried to get to his feet, then slumped again to the ground. Before anyone could grab him, he slid again into the pit.

"Oh, no!" Julie said. "Hold my ankle, Gill, I'll get him."

They tried, but couldn't reach. Stan appeared to be on the edge of unconsciousness. His eyelids fluttered briefly behind his thick glasses, which miraculously had not been knocked off. His fingers clawed at the debris-strewn surface. From behind him, there was another hissing sound. An alien suddenly appeared, two others behind it.

"Kill it!" Julie cried.

"I can't!" Gill said. "Stan's in the way!"

"He's in my way, too!" Julie began to run around the side of the pit, trying to get a clear shot.

The leading alien looked somehow different to her from the others. But at first she couldn't determine how. Then Gill threw a phosphorus flare and she saw that the alien had half his shoulder chewed off. There was also damage to his midsection and head.

But what she wasn't prepared for was the look of those wounds. Instead of flesh and blood, there appeared to be cable and metal fittings in the wound, and small humming servos.

For a moment she couldn't process this information. Then she understood.

"Norbert!"