It was quite simple.

But twenty expeditions had failed to set up the Earth-end Displacer.

What had happened to them was not known.

For no Grom ship had ever returned to tell.


efore dawn they crept through the woods, taking on the coloration of the plants around them. Their Displacers pulsed feebly, sensing the nearness of atomic energy.

A tiny, four-legged creature darted in front of them. Instantly, Ger grew four legs and a long, streamlined body and gave chase.

"Ger! Come back here!" Pid howled at the Detector, throwing caution to the winds.

Ger overtook the animal and knocked it down. He tried to bite it, but he had neglected to grow teeth. The animal jumped free, and vanished into the underbrush. Ger thrust out a set of teeth and bunched his muscles for another leap.