Prologue

The cellar was divided into rooms. Each of these caverns except the last of them was cluttered with the rubbish which usually encumbers the cellars of old houses: broken bicycles, old mould-grown leather cases, wooden crates, legless or armless chairs, cracked china vessels, yellowing newspapers bundled up with string, and in heaps, the nameless unidentifiable cylinders and tubes and rods and rings and spirals of metal which once, long ago, bolted or screwed or linked something on to something else. All this rubbish was coated with the thick black grime that is always present in cellars. The place smelt of soot and fungus.

Between the junk heaps a passage had been cleared from the steps to the first doorless doorway, on to the second doorway and thence to the bare room beyond. And in this room, unseen as yet in the pitch blackness, the figure of a woman leaned against the wall.

He came down the steps with a torch in his hand. He switched on the torch only when he had closed and bolted the door behind him. Then, led by its beam, he picked his way softly along the path that was hedged by rubbish. There was no sound but the shuffle of his slippers on the sooty stone, yet as he entered the second room he told himself he had heard ahead of him an indrawn breath, a small gasp of fear. He smiled, though he was trembling, and the hand which held the torch shook a little.

At the second doorway be raised the beam and let it play from the lower left-hand corner of the room upwards and then downwards, moving it languidly towards the right. It showed him pocked walls, a cracked ceiling hung with cobwebs. It showed him old, broken, long-disused electric w