"the Darnaway library contained books about Pope Joan and Iceland, not to mention another I see with the title beginning The Religion of Frederick, which is not so very hard to fill up." Then, seeing the other's annoyance, his smile faded and he said more earnestly:
"As a matter of fact, this last point, though it is the last link, is not the main business. There were much more curious things in the case than that. One of them is rather a curiosity of evidence. Let me begin by saying something that may surprise you. Darnaway did not die at seven o'clock that evening. He had been already dead for a whole day."
"Surprise is rather a mild word," said Payne grimly, "since you and I both saw him walking about afterwards."
"No, we did not," replied Father Brown quietly. "I think we both saw him, or thought we saw him, fussing about with the focusing of his camera. Wasn't his head under that black cloak when you passed through the room? It was when I did. And that's why I felt there was something queer about the room and the figure. It wasn't that the leg was crooked, but rather that it wasn't crooked. It was dressed in the same sort of dark clothes; but if you see what you believe to be one man standing in the way that another man stands, you will think he's in a strange and strained attitude."
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