The whistle came again. This time its urgency shook him from his trance. He looked up. Brendan was already crossing the garden, with Catso trailing a few yards behind. Karney had a moment only to register their appearance before the knot initiated the final phase of its resolution. The last weave fell free, and the form at its heart leaped up toward Karney's face-growing at an exponential rate. He flung himself backward to avoid losing his head and the thing shot past him. Shocked, he stumbled in the tangle of brambles and fell in a bed of thorns. Above his head the foliage was shaking as if in a high wind. Leaves and small twigs showered down around him. He stared up into the branches to try and catch sight of the shape, but it was already out of sight.

"Why didn't you answer me, you fucking idiot?" Brendan demanded. "We thought you'd split on us.

Karney had barely registered Brendan's breathless arrival. He was still searching the canopy of the trees above his head. The reek of cold mud filled his nostrils.

"You'd better move yourself" Brendan said, climbing through the broken fence and out on to the pathway. Karney struggled to get to his feet, but the barbs of the brambles slowed his attempt, catching in his hair and clothes.

"Shit!" he heard Brendan breathe from the far side of the fence. "Police! On the bridge."

Catso had reached the bottom of the garden.

"What are you doing down there?" he asked Karney.

Karney raised his hand. "Help me," he said. Catso grabbed him by the wrist, but even as he did so Brendan hissed: "Police! Move it!" and Catso relinquished his aid and ducked out through the fence to follow Brendan down to the Archway Road. It took Karney a few dizzied seconds only to realize that the cord, with its two remaining knots, had gone from his hand. He hadn't dropped it, he was certain of that. More likely it had deliberately deserted him, and its only opportunity had been his brief hand-to-hand contact with Catso. He reached out to grasp hold of the rotting fence and haul himself to his feet. Catso had to be warned of what the cord had done, police or no police. There was worse than the law nearby.

Racing down the pathway, Catso was not even aware that the knots had found their surreptitious way into his hand. He was too preoccupied with the problem of escape. Brendan had already disappeared on to the Archway Road and was away. Catso chanced a look over his shoulder to see if the police were in pursuit. There was no sign of them, however. Even if they began to give chase now, he reasoned, they wouldn't catch him. That left Karney. Catso slowed his pace, then stopped, looking back up the pathway to see if the idiot showed any sign of following, but he had not so much as climbed through the fence.

"Damn him," Catso said beneath his breath. Perhaps he should retrace his steps and fetch him?

As he hesitated on the darkened pathway he became aware that what he had taken to be a gusty wind in the overhanging trees had abruptly died away. The sudden silence mystified him. He drew his gaze from the path to look up into the canopy of branches and his appalled eyes focused on the shape that was crawling down toward him, bringing with it the reek of mud and dissolution, Slowly, as in a dream, he raised his hands to keep the creature from touching him, but it reached down with wet, icy limbs and snatched him up.

Karney, in the act of climbing through the fence, caught sight of Catso being hauled off his feet and into the cover of the trees, saw his legs pedaling the air while stolen merchandise fell from his pockets, and skipped down the pathway toward the Archway Road.

Then Catso shrieked, and his dangling legs began an even more frenzied motion. At the top of the pathway, Karney heard somebody calling. One policeman to another, he surmised. The next moment he heard the sound of running feet. He glanced up to Hornsey Lane-the officers had yet to reach the top of the pathway-and then looked back down in Catso's direction in time to catch sight of his body dropping from the tree. It fell to the ground limply, but the next moment scram-bled to its feet. Briefly Catso looked back up the pathway toward Karney. The look on his face, even in the sodium gloom, was a lunatic's look. Then he began to run. Karney, satisfied that Catso had a head start, slipped back through the fence as the two policemen appeared at the head of the pathway and began in pursuit of Catso. All this-the knot, the thieves, pursuit, shriek and all-had occupied a mere handful of seconds, during which Karney had not drawn breath. Now he lay on a barbed pillow of brambles and gasped like a landed fish, while at the other side of the fence the police hurtled down the footpath yelling after their suspect.

Catso scarcely heard their commands. It wasn't the police that he was running from, it was the muddied thing that had lifted him up to meet its slitted and chancred face. Now, as he reached the Archway Road, he felt tremors beginning in his limbs. If his legs gave out he was certain it would come for him again and lay its mouth on his as it already had. Only this time he would not have the strength to scream; the life would be sucked from his lungs. His only hope lay in putting the road between him and his tormentor. The beast's breath loud in his ears, he scaled the crash barrier, leaped down to the road, and began across the southbound freeway at a run. Halfway across he realized his error. The horror in his head had blinded him to all other risks. A blue Volvo-its driver's mouth a perfect 0-bore down on him. He was caught in its headlights like an animal, entranced. Two instants later he was struck a glancing blow which threw him across the divide and into the path of a tractor trailer. The second driver had no chance to swerve. The impact split Catso open and tossed him beneath the wheels.

Up in the garden, Karney heard the panic of the brakes and the policeman at the bottom of the pathway say: "Jesus Christ Almighty." He waited a few seconds, then peered out from his hiding place. The footpath was now deserted, top to bottom. The trees were quite still. From the road below rose the sound of a siren, and that of the officers shouting for oncoming cars to halt. Closer by, somebody was sobbing. He listened intently for a few moments, trying to work out the source of the sobs, before realizing that they were his own. Tears or no, the clamor from below demanded his attention. Something terrible had happened, and he had to see what. But he was afraid to run the gauntlet of the trees, knowing what lay in wait there, so he stood, staring up into the branches, trying to locate the beast. There was neither sound nor movement, however. The trees were dead still. Stifling his fears, he climbed from his hiding place and began to walk down the pathway, his eyes glued to the foliage for the slightest sign of the beast's presence. He could hear the buzz of a gathering crowd. The thought of a press of people comforted him. From now on he would need a place to hide, wouldn't he? Men who'd seen miracles did.

He had reached the spot where Catso had been dragged up into the trees; a litter of leaves and stolen property marked it. Karney's feet wanted to be swift, to pick him up and whisk him away from the place, but some perverse instinct slowed his pace. Was it that he wanted to tempt the knot's child into showing its face? Better, perhaps, to confront it now-in all its foulness-than to Jive in fear from this moment on, embroidering its countenance and its capacities. But the beast kept itself hidden. If indeed it was still up there in the tree, it twitched not a nail.

Something moved beneath his foot. Karney looked down, and there, almost lost among the leaves, was the cord. Catso had been deemed unworthy to carry it apparently. Now-with some clue to its power revealed-it made no effort to pass for natural. It squirmed on the gravel like a serpent in heat, rearing its knotted head to attract Karney's attention. He wanted to ignore its cavorting but he couldn't. He knew that if he didn't pick up the knots somebody else would, given time; a victim, like himself, of an urge to solve enigmas. Where could such Innocence lead, except to another escape perhaps more terrible than the first? No, it was best that he took the knots. At least he was alive to their potential, and so, in part, armored against it. He bent down, and as he did so the string fairly leaped into his hands, wrapping itself around his fingers so tightly he almost cried out.