Harris grinned, lugging his heavy suitcases. He set them down and breathed a sigh of relief. "It isn't worth it," he said. "I'm going to give up taking so much."

"Come on inside. Soldier, give him a hand." A Patrolman hurried over and took one of the suitcases. The three men went inside and down the corridor to Harris' quarters. Harris unlocked the door and the Patrolman deposited his suitcase inside.

"Thanks," Harris said. He set the other down beside it. "It's good to be back, even for a little while."

"A little while?"

"I just came back to settle my affairs. I have to return to Y-3 tomorrow morning."

"Then you didn't solve the problem?"

"I solved it, but I haven't cured it. I'm going back and get to work right away. There's a lot to be done."

"But you found out what it is?"

"Yes. It was just what the men said. The Pipers."

"The Pipers do exist?"