Bernard Capes, The Skeleton Key — Chapter 10 (1919)
“ Going unhurried along the track, he suddenly saw the detective before him. The Sergeant, bent over, it seemed, in an intent observation of the ground, was fairly taken off his guard. He showed it, as he came erect, in a momentary change of colour. But the little shock of surprise was mastered as soon as felt: self-possession is not long or easily yielded by one trained in self-resourcefulness. ”
