unharmed, bathed in the raw sunlight at the edge of space. Not only had the bomb failed to touch it, but no-one could ever decide what had happened to the missile. Moreover, Karellen took no action against those responsible, or~ even indicated that he had known of the attack. He ignored them contemptuously, leaving them to worry over a vengeance that never came. It was a more effective, and more demoralizing, treatment than any punitive action could have been. The government responsible collapsed completely in mutual recrimination a few weeks later.
There had also been some passive resistance to the policy of the Overlords. Usually, Karellen had been able to deal with it by letting those concerned have their own way, until they had discovered that they were only hurting themselves by their refusal to co-operate. Only once had he taken any direct action against a recalcitrant government.
For more than a hundred years, the Republic of South Africa had been the centre of social strife. Men of good will on both sides had tried to build a bridge, but in vain-fears and prejudices were too deeply ingrained to permit any cooperation. Successive governments had differed only by the degree of their intolerance; the land was poisoned with hate and the aftermath of civil war.
When it became clear that no attempt would be made to end discrimination, K.arellen gave his warning. It merely named a date and time-no more. There was apprehension, but little fear or panic, for no-one believed that the Overlords would take any violent or destructive action which would involve innocent and guilty alike.
Nor did they. All that happened was that as the sun passed the meridian at Cape Town-it went out. There remained visible merely a pale, purple ghost, giving no heat or light. Somehow, out in space, the light of the sun had been polarized by two crossed fields so that no radiation could pass. The area affected was five hundred kilometres across, and perfectly circular.
The demonstration lasted thirty minutes. It was sufficient:
14
the next day the Government of South Africa announced that full civil rights would be restored to the white minority.
Apart from such isolated incidents, the human race had accepted the Overlords as part of the natural order of things. In a surprisingly short time, the initial shock had worn off, and the world went about its business again. The greatest change a suddenly awakened Rip Van Winkle would have noticed was a hushed expectancy, a mental glancing-over-the-shoulder, as mankind waited for the Overlords to show themselves and to step down from their gleaming ships.
Five years later, it was still waiting. That, thought Stormgren, was the cause of all the trouble.
There was the usual circle of sightseers, cameras at the ready, as Stormgren's car drove on to the launching-field. The Secretary-General exchanged a few final words with his assistant, collected his brief-case, and walked through the ring of spectators.
Karellen never kept him waiting for long. There was a sudden "Oh!" from the crowd, and a silver bubble expanded with breathtaking speed in the sky above. A gust of air tore at Stormgren's clothes as the tiny ship came to rest fifty metres away, floating delicately a few centimetres above the ground, as if it feared contamination with Earth. As he walked slowly forward, Stormgren saw that familiar puckering of the seamless metallic hull, and in a moment the opening that had so baffled the world's best scientists appeared before him. He stepped through it into the ship's single, softly-lit room. The entrance sealed itself as if it had never been, shutting out all sound and sight.
It opened again five minutes later. There had been no sensation of movement, but Stormgren knew that he was now fifty kilometres above the Earth, deep in the heart of Karellen's ship. Be was in the world of the Overlords: all around him, they were going about their mysterious business. He had come nearer to them than