"Peace!" he said.

"Sure," said Fred. "Nice job you did this morning."

Deg smiled modestly. "The gods answered our prayers."

"The gods?" said Carver. "It looked as though the serum did most of the work."

"Serum? Oh, the sersee juice!" Deg made a ceremonial gesture as he mentioned the name. "Yes, the sersee juice is the mother of the Lorayan people."

"We'd like to buy some," Fred said bluntly, ignoring Professor Carver's disapproving frown. "What would you take for a gallon?"

"I am sorry," Deg said.

"How about some nice beads? Mirrors? Or maybe a couple of steel knives?"

"It cannot be done," the medicine man asserted. "The sersee juice is sacred. It must be used only for holy healing."

"Don't hand me that," Fred said, a flush mounting his sallow cheek. "You gooks think you can—"