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was rarely that Derek Kettering allowed his temper to get the better of him. An easy-going insouciance was his chief characteristic, and it had stood him in good stead in more than one tight corner. Even now, by the time he had left Mirelle's flat, he had cooled down. He had need of coolness. The corner he was in now was a tighter one than he had ever been in before, and unforeseen factors had arisen with which, for the moment, he did not know how to deal.

He strolled along deep in thought. His brow was furrowed, and there was none of the easy, jaunty manner which sat so well upon him. Various possibilities floated through his mind. It might have been said of Derek Kettering that he was less of a fool than he looked. He saw several roads that he might take—one in particular. If he shrank from it, it was for the moment only. Desperate ills need desperate remedies. He had gauged his father-in-law correctly. A war between Derek Kettering and Rufus Van Aldin could end only one way. Derek damned money and the power of money vehemently to himself. He walked up St. James's Street, across Piccadilly, and strolled along it in the direction of Piccadilly Circus. As he passed the offices of Messrs. Thomas Cook & Sons his footsteps slackened. He walked on, however, still turning the matter over in his mind. Finally, he gave a brief nod of his head, 67