KULAN TITH’S SACRIFICE The morning of the second day of her incarceration in the east tower of the palace of Astok, Prince of Dusar, found Thuvia of Ptarth waiting in dull apathy the coming of the assassin. She had exhausted every possibility of escape, going over and over again the door and the windows, the floor and the walls. The solid ersite slabs she could not even scratch; the tough Barsoomian glass of the windows would have shattered to nothing less than a heavy sledge in the hands of a strong man. The door …