We were taken wholly by surprise--knocked against the table. The woman Josefa! She had doubtless followed Turber to the roof, jealous of his every movement. He had seen her behind us in the doorway. She leaped upon us. Turber heaved upward. Alan's dagger grazed his arm. Turber shouted. He struck with his fist at me and flung himself backward. The woman managed to cling to us both, heedless of our knives. She clung; kicked, bit and tore at us. It took a moment for us to shake her off. But in that moment Turber was near a window. He flung a heavy metal chair at us; and turned and leaped like a misshapen cat through the window. His shouts sounded outside, as he ran, giving the alarm. We would be trapped here in another moment. "Alan, come on! Get out of here!" I was free of the woman. I tore her from Alan. She panted: "You let him alone! You let him alone!" We turned and ran. Leaped into the darkness of the roof, where a turmoil of the alarm was beginning. How we ever got back I do not know. Hunted, as two rats would have been hunted in that metal labyrinth by a pack of wolves. But we got through safely; found a broken section of the division fence. Ran northward. The pursuit behind us presently died away. Then we came upon a city police patrol. They saw our red uniforms and very nearly killed us before we could speak. But we convinced them of our identity. One said: "The tower came!" It galvanized us. "The tower?" "Came, but did not stop. Just a phantom." What could that mean? Lea and San, passing, but not stopping! We got transportation down into the city, avoiding the areas where the fighting was raging. An official car took us by devious route to the tower-space. The street here was heavily guarded by the city forces, but the Turberites were fighting close to the south. Only a few blocks away we could hear the sounds of the battle. The tower had come and passed. Its marked space in the street was empty. Our guards surrounded it. We stood among them. A phantom showed over our heads! A moving phantom of the Turber aero! It darted across the tower-space and vanished. Now we understood! San and Lea were trying to land. Bluntnose, with the aero, was endeavoring to prevent them. He had followed the tower through Time. Two speeding phantoms! The aero could wing its way directly through the tower without contact--when they were speeding phantoms! But not if they stopped. The tower showed again. A brief wraith of it. Just an instant; but in that instant the aero also materialized, circling, darting. Then they both were gone. Would San dare stop? Would he risk that Bluntnose might wreck the aero and kill himself, just to wreck the tower? Another moment. Again the phantoms showed. The aero was slightly above the tower, and to one side. The tower did not pass. In a breath it materialized into solidity before us. My heart seemed to stop. San had dared! The aero seemed half to turn. And then the wraith of it vanished!