rom the air, the building had merely seemed big. On the ground, it was enormous. Hellman and Casker walked up to it slowly. Hellman had his burner ready, but there was no sign of life.

"This planet must be abandoned," Hellman said almost in a whisper.

"Anyone in his right mind would abandon this place," Casker said. "There're enough good planets around, without anyone trying to live on a needle point."

They reached the door. Hellman tried to open it and found it locked. He looked back at the spectacular display of mountains.

"You know," he said, "when this planet was still in a molten state, it must have been affected by several gigantic moons that are now broken up. The strains, external and internal, wrenched it into its present spined appearance and—"

"Come off it," Casker said ungraciously. "You were a librarian before you decided to get rich on uranium."

Hellman shrugged his shoulders and burned a hole in the doorlock. They waited.

The only sound on the mountain top was the growling of their stomachs.