They unroped Goth from him then, and laid her down against the cliff under the sloping roof of the ledge. She scowled and murmured something, then abruptly turned over on her side, drew her knees up to her chin, and was gone and lost again, child face smoothing into placidity, in the dream worlds of Yango’s special drug. He and Hulik stretched out face down, one at each comer of the big stone lip, holding their guns, peering from behind a screen of the former occupant’s litter at the shadowy thickets and boulders below.
They had come past there with Vezzarn, not many minutes before, along a shoulder of rock, scanning the lower slopes for any signs of pursuit. And there, in not many more minutes, Yango and the Spider must also appear. The robot might discover the trail was doubling back at that point and swerve with its rider directly towards the cliff. Or stride on and return. In either case the Agandar soon would know his quarry had gone up the rock.
If he rode the robot up after them, they would have him. That was the plan. They’d let him get good and high. Their guns couldn’t harm the Sheem machine, but at four yards’ range they would tear the Agandar’s head from his shoulders if he didn’t make the right moves. Nothing more than the guns would be showing. The war robot’s beam would have only the ponderous ledge overhanging it and its master for a target.
With a gun staring at him from either corner of the ledge, caught above a hundred yard drop, Yango wasn’t likely to argue. He’d toss up his control devices. They’d let the Spider take him back to the foot of the cliff then before they gave the gadgets the twist that deactivated and collapsed it…
“And if,” Hulik had asked, “he does not come riding up on the thing? He might get ideas about this ledge and wait below while it climbs up without him to see if we’re hiding here or have gone on.”
“Then we shoot Yango.”
“That part will be a pleasure,” the do Eldel remarked. “But what will the robot do then?”
They didn’t know that, but there was some reason to think the Sheem Spider would be no menace to them afterwards. It must have instructions not to kill in this situation — at least not to kill indiscriminately — until the Agandar had Goth safe. The instructions might hold it in check when they shot down Yango. Or they might not.
Something like a short, hard cannon-crack tore the air high above the valley, startled them both into lifting their heads. They looked at each other.
“Thunder,” the captain said quietly. “I’ve been hearing some off and on. The sound came again as he spoke, more distantly and from another angle, far off in the mountains.”
“No,” Hulik said, “it’s them. They’re looking for us.”
He glanced at her uneasily. She nodded towards the valley. “It goes with the great, deep sound we heard down there — and other things. They’ve been moving around us. Circling. They’re looking for us and they’re coming closer.”
“Who’s looking for us?” asked the captain.
“The owners of this world. We’ve disturbed them and they don’t like visitors. The things that’ve been following us are their spies. Old Horny was a spy — he flew off to tell about us. A while ago a shadow was moving along the other side of the valley. I thought they’d discovered us then but it went away again. It’s because we’re so small, I think. They don’t know what they’re looking for, and so far they haven’t been able to find us. But they’re getting close.”
Her voice was low and even, her face quite calm. “We may stop Yango here, but I don’t think we’ll be able to get away from this world again. It’s too late for that! So it doesn’t really matter so much about the Spider.” She nodded towards the captain’s right. “It’s coming now, Captain!”
He dropped his head back behind the tangle of dusty, withered stuff he’d arranged before him, watching the thickets below on the right through it. For a moment, half screened by the growth, a pale green glimmer moved among the rocks, then disappeared again. Still perhaps two hundred yards away! He glanced briefly back at Hulik. She’d flattened down, too, gun hand next to her chin, head lifted just enough to let her peer out from the left side of the ledge. Whatever fearful and fantastic thoughts she’d developed about this red-shadowed world, she evidently didn’t intend to let them interfere with concluding their business with the Agandar. If anything, her notions seemed to be steadying her as far as the Sheem Assassin was concerned — as if that were now an insignificant terror. She might, he thought uncomfortably, be not too far from a state of lunatic indifference to what happened next.
No time to worry about it now. The green glow reappeared from around an outcropping; and with a smooth shifting of great jointed legs, the Spider moved into view, Yango riding it, gripping the narrow connecting section of the segmented body between his knees. The Spider’s head swung from side to side in a steady searching motion which seemed to keep time with the flowing walk; the paired jaws opened and closed. Seen at this small distance, it was difficult to think of it as a machine and not the awesome hunting animal which had been its model. But the machine was more deadly than the animal could ever have been…
There was the faintest of rustling noises to the captain’s left. He turned his head, very cautiously because the Sheem Spider and its rider were moving across the rock shoulder directly in front of them now, saw with a start of dismay that Hulik had lifted her gun, was easing it forward through the concealing pile of litter before her, head tilted as she sighted along it. If she triggered the blaster now -
But she didn’t. Whether she decided it was too long a shot in this dim air or remembered in time that only if they failed to trap Yango and his machine on the cliff were they to try to finish off the man, the captain couldn’t guess. But the robot’s long, gliding stride carried it on beyond a dense thicket at the left of the ledge, and it and the Agandar were out of sight again. Hulik slowly drew back her gun, remained motionless, peering down.
There was silence for perhaps a minute. Not complete silence. The captain grew aware of whisperings of sound, shadow motion, stealthy stirrings, back along the stretch the Agandar had come. Yango had brought an escort up from the valley with him, as they had… Then, off on the left, some distance away, he heard the heavy singsong snarl of the Sheem Spider.
Hulik twisted her head towards him, lips silently shaping the word “Vezzarn.” He nodded. The pursuit seemed checked for the moment at the point where Vezzarn’s trail had turned away from theirs.
The snarls subsided. Silence again… and after some seconds he knew Yango was on his way back, because the minor rustlings below ended. The unseen escort was falling back as the robot approached. Perhaps another minute passed. He glanced over at Hulik, saw a new tension in her. But there was nothing visible as yet from his side of the ledge. The massively curved jut of the rock cut off part of his view.
Then, over a hundred yards down, on the sloping ground at the foot of the cliff, the Sheem Spider came partly out from under the ledge. Two of the thick, bristling legs appeared first, followed by the head and a forward section of the body. It moved with stealthy deliberation, stopped again and stood dead still, head turned up, the double jaws continuing a slow chewing motion. He could make out the line of small, bright-yellow eyes across the upper part of the big head, but there was not enough of the thing in sight to tell him whether Yango was still on its back. Hulik knew, of course. The robot must have come gliding quietly through the thickets on their left and emerged almost directly below her.
Shifting very cautiously — the thing seemed to be staring straight up at him — the captain turned his head behind his flimsy barricade, looked over at Hulik. She had her gun ready again, was sighting down along it, unmoving. The gun wasn’t aimed at the Spider; the angle wasn’t steep enough for that. So Yango -