Glowing spheres of imprisoned radiant energy drifted at random near the vaulted ceiling, occasionally bobbing down to eye level. The tables themselves were banked steeply toward the outside edge, and in the very center of the room, where the floor level was lowest, a panchromaticon swiveled slowly, casting multicolored light over the diners. A burnished, bullet-headed robot waited at the door. “I have a reservation,” Ewing said. “Baird Ewing. Room 4113.” “Of course, sir. Come this way, please.” Ewing followed the robot into the main concourse of the dining room, up a sort of ramp that led to the outermost rim of the great hall, where a few empty tables were visible. The robot came to a halt in front of a table at which someone was already sitting: a Sirian girl, Ewing guessed, from her brawny appearance. The robot pulled out the chair facing her. Ewing shook his head. “There’s been some mistake made. I don’t know this lady at all. I requested a table for one.” “We ask indulgence, sir.