Someone gripped his arm....
He was being dragged away.

It seemed as though the tumult suddenly became two, as if half the shouts that had come in from this wonderful roadway had sprung into the passages of the great building behind him.
Marvelling and confused, feeling an impotent desire to resist, Graham was half led, half thrust, along the passage of blue pillars, and suddenly he found himself alone with Howard in a lift and moving swiftly upward..