Grim hours followed, an unrelenting search over two planets and four moons for men whom Mallory considered loyal to his cause—men willing to risk their lives to throw off the yoke of Interplanetary. They were hard to find. Many of them were dead, victims of the purge. The others were in hiding and word of them was difficult to get. But slowly, one by one, they were ferreted out, the plan explained to them, and then, by means of the tele-transport, they were brought to the Invincible. Hour after hour men worked, stripped to their waists, in the glaring inferno of terrible force fields, fashioning new television units. As fast as the sets were constructed, they were placed in operation. The work went faster than could be expected, yet it was maddeningly slow. For with the passing of eac