The figures were rolling; then one shook himself loose; rose up, seized the other and, with desperate strength, shoved him—

The victorious figure drew back to safety. The other fell, hurtling down into the shadows past the camp level—down out of sight in the darkness of the crater floor.

Snap, who was in the group near Grantline at the window gasped, "God! Was that Gregg who fell?"

No one could say. No one answered. Outside, on the camp ledge, another helmeted figure now became visible. It was not far from the main building when Grantline first noticed it. It was running fast, bounding toward the spider staircase. It began mounting.

And now still another figure became visible—the giant Martian again. He appeared from around the corner of the main Grantline building. He evidently saw the winner of the combat on the cliff, who now was standing in the Earthlight, gazing down. And he saw too, no doubt, the second figure mounting the stairs. He stood quite near the window through which Grantline and his men were gazing, with his back to the building, looking up to the summit. Then he ran with tremendous leaps toward the ascending staircase.

Was it Haljan standing up there on the summit? Who was it climbing the stairs? And was the third figure Miko?

Grantline's mind framed the questions. But his attention was torn from them, and torn even from the swift silent drama outside. The corridor was ringing with shouts.

"We're imprisoned! Can't get out! Was Haljan killed? The brigands are outside!"

And then an interior audiphone blared a calling for Grantline. Someone in the instrument room of the adjoining building was talking.

"Commander, I tried the telescope to see who got killed—"