at the time of his going to bed, when he seldom spoke to her at all. It was extraordinary that Manderson should leave his bedroom without his false teeth.
All these thoughts, as I say, came flocking into my mind together, drawn from various parts of my memory of the morning's enquiries and observations. They had all presented themselves, in far less time than it takes to read them as set down here, as I was turning over the shoes, confirming my own certainty on the main point. And yet when I confronted the definite idea that had sprung up suddenly and unsupported before me–'It was not Manderson who was in the house that night'–it seemed a stark absurdity at the first formulating. It was certainly Manderson who had dined at the house and gone out with Marlowe in the car. People had seen him at close quarters. But was it he who returned at ten? That question too seemed absurd enough. But I could not set it aside. It seemed to me as if a faint light was beginning to creep over the whole expanse of my mind, as it does over land at dawn, and that presently the sun would be rising. I set myself to think over, one by one, the points
