Hen, guessing his intention, tuned his helmet receiver to the robot's wave length. R-3's mechanical voice rang suddenly inside his helmet.
"... attacking the space ship! Aid! Aid! Father attacking the space ship! Aid!"
Hen switched back to the girl's wave length. "Run," he commanded tersely. "He's calling for help. He'll have the lot of them down on our heads."
Suiting action to words, he took to his heels, plunging for the housing unit.
"Lock ourselves in!" he grunted.
"But the ship!" Sofi wailed over her radiophone.
"Might as well try to get past a tank as R-3," he panted. He saw four of the robots break from the laboratory, turn to intercept them. "Faster," he cried. "If we don't get back to the igloo we're done for! These suits haven't but a seven hours oxygen supply!"
"Faster," he cried. "If we don't get back to the igloo we're done for!"