As soon as it felt my weight the tarn cried again and with an explosion of its broad wings sprang into the air, climbing in dizzy circles. Some spears fell in lazy loops below us, short by far, falling back again into the gala-coloured sand of the arena. There were cries of rage that drifted up from below as the silver masks of Tharna began to understand that they had been cheated of their prey, that the Amusements had turned out badly. I had no way to guide the tarn proficiently. Normally the tarn is guided by a harness. There is a throat strap to which, customarily, six reins are attached in a clockwise fashion. These pass from the throat strap to the main saddle ring, which is fixed on the saddle. By exerting pressure on these reins, one directs the bird. But I lacked both saddle and harness. Indeed, I did not even have a tarn-goad, without which most tarnsmen would not even approach their fierce mounts.

I did not fear much on this score, however, as I had seldom used the goad on this bird. In the beginning I had refrained from using it often because I feared that the effect of the cruel stimulus might be diminished through overfrequent application, but eventually I had abandoned its use altogether, retaining it only to protect myself in case the bird, particularly when hungry, should turn on me. In several cases tarns have devoured their own masters, and it is not unusual for them, when loosed for feeding, to attack a human being with the same predatory zest they bestow on the yellow antelope, the tabuk, their favourite kill, or the ill- tempered, cumbersome bosk, a shaggy, long-haired wild ox of the Gorean plains. I found that the goad, with this monster at least, did not improve, but rather impaired his performance. He seemed to resent the goad, to fight it, to behave erratically when it was used; when struck with it he might even slow his flight, or deliberately disobey the commands of the tarn straps. Accordingly the goad had seldom left its sheath on the right side of the saddle.

I wondered sometimes if that bird, my Ubar of the Skies, that tarn of tarns, spoken of by Goreans as Brothers of the Wind, might have considered himself as above the goad, resented its shocks and sparks, resented that that puny human device would pretend to teach him, he, a tarn of tarns, how to fly, how swiftly and how far. But I dismissed such thoughts as absurd. The tarn was but another of the beasts of Gor. The feeling I was tempted to ascribe to it would lie beyond the ken of so simple a creature. I saw the towers of Tharna, and the glittering oval of its arena, that cruel amphitheatre, dropping away beneath the wings of the tarn. Something of the same exhilaration which I had felt in my first wild flight on a tarn, this very giant, now thrilled in me again. Beyond Tharna and its gloomy soil, continually broken by its stony outcroppings, I could see the green fields of Gor, glades of yellow Ka-la-na tress, the shimmering surface of a placid lake and the bright blue sky, open and beckoning. "I am free!" I cried.

But I knew even as I cried out that I was not free, and I burned with shame that I had so bespoke myself, for how could I be free when others in that grey city were bound?

There was the girl, warm-eyed Linna, who had been kind to me, whose auburn hair was knotted with coarse string, who wore the grey collar of a state slave of Tharna. There was Andreas of Tor, of the Caste of Singers, young, valiant, irrepresible, his hair wild like the mane of a black larl, who would rather die than try to kill me, condemned to the Amusements or the mines of Tharna. And there were how many more, yoked and unyoked, bound and free, in the mines, on the Great Farms, in the city itself who suffered the misery of Tharna and her laws, who were subject to the crushing weight of her traditions, and knew at best nothing better in life than a bowl of cheap Kal-da at the end of a day" s arduous, inglorious labour? "Tabuk!" I cried to the plumed giant. "Tabuk!"

The tabuk is the most common Gorean antelope, a small graceful animal, one-horned and yellow, that haunts the Ka- la-na thickets of the planet and occasionally ventures daintily into its meadows in search of berries and salt. It is also one of the favourite kills of a tarn.

The cry of "Tabuk!" is used by the tarnsman on long flights when time is precious, and he does not wish to dismount and free the bird to find prey. When he spots a tabuk in the fields below, or, indeed, any animal in the prey range of the tarn, he may cry "Tabuk!" and this is the signal that the tarn may hunt. It makes its kill, devours it, and the flight resumes, the tarnsman never leaving the saddle. This was the first time I had called "Tabuk!" but the bird would have been conditioned to the call by the tarn-keepers of Ko-ro-ba years ago, and might still respond. I myself had always freed the bird to feed. I thought it well to rest the bird, unsaddle it, and, also, frankly I did not find myself eager to be present at the feeding of a tarn.

The great sable tarn, upon hearing the cry of "Tabuk!", to my joy, began to describe its long, soaring hunting circles, almost as if it might have received its training yesterday. It was truly a tarn of tarns, my Ubar of the Skies!

It was a desparate plan I had seized upon, no more than one chance in a million, unless the great tarn could tip the scales in my favour. Its wicked eyes gleamed, scanning the ground, its head and beak thrust forward, its wings still, gliding silently in great sweeps, lower and lower, over the grey towers of Tharna.

Now we passed over the arena of Tharna, still boiling with its throbbing, angry multitudes. The awnings had been struck, but the stands were still filled, as the thousands of silver masks of Tharna waited for the golden Tatrix herself to be the first to leave that scene of the macabre amusements of the grey city.

Far below in the midst of the crowd I caught sight of the golden robes of the Tatrix.

"Tabuk!" I cried. "Tabuk!"

The great predator wheeled in the sky, turning as smoothly as a knife on wire. It hovered, the sun at its back. Its talons, shod with steel, dropped like great hooks; it seemed to tremble almost motionless in the air; and then its wings, parallel, lifted, almost enfolding me, and were still. The descent was as smooth and silent as the falling of a rock, the opening of a hand. I clung fiercely to the bird. My stomach leaped to my throat. The stands of the arena, filled with its robes and masks, seemed to fly upward.

There were shrill screams of terror from below. On every hand, robes and regalia flying, the silver masks of Tharna which had so insolently screamed but moments before for blood fled now for their lives in panic-stricken rout, trampling one another, scratching and tearing at one another, scrambling over the benches, thrusting one another even over the wall into the sands below.

In one instant that must have been the most terrifying in her life the Tatrix stood alone, looking up, deserted by all, on the steps before her golden throne in the midst of tumbled cushions and trays of candies and sweetmeats. A wild scream issued from behind that placid, expressionless golden mask. The golden arms of her robe, the hands gloved in gold, were flung across her face. The eyes behind the mask, which I saw in that split second, were hysterical with fear.

The tarn struck.

Its steel-shod pinioning talons closed like great hooks on the body of the screaming Tatrix. And so for an instant stood the tarn, its head and beak extended, its wings snapping, its prey locked in its grasp, and uttered the terrifying capture scream of the tarn, at once a scream of victory, and of challenge.

In those titanic, merciless talons the body of the Tatrix was helpless. It trembled in terror, quivering uncontrollably like that of a graceful, captured tabuk, waiting to be borne to the nest. The Tatrix could no longer even scream.