Ilg flowed hastily back into proper Radioman's shape.

"Exotic forms will undoubtedly be called for," Pid went on. "And for that we have a special dispensation. But remember—any shape not assumed strictly in the line of duty is a foul, lawless device of The Shapeless One!"

Ger's body surfaces abruptly stopped flowing.

"That's all," Pid said, and flowed into his controls. The ship started down, so smoothly co-ordinated that Pid felt a glow of pride.

They were good workers, he decided. He just couldn't expect them to be as shape-conscious as a high-caste Pilot. Even the Invasion Chief had told him that.

"Pid," the Invasion Chief had said at their last interview, "we need this planet desperately."

"Yes, sir," Pid had said, standing at full attention, never quivering from Optimum Pilot's Shape.

"One of you," the Chief said heavily, "must get through and set up a Displacer near an atomic power source. The army will be standing by at this end, ready to step through."

"We'll do it, sir," Pid said.

"This expedition has to succeed," the Chief said, and his features blurred momentarily from sheer fatigue. "In strictest confidence, there's considerable unrest on Grom. The Miner caste is on strike, for instance. They want a new digging shape. Say the old one is inefficient."