Page:Agatha Christie - The Secret Adversary (1922).djvu/81



HITTINGTON and his companion were walking at a good pace. Tommy started in pursuit at once, and was in time to see them turn the corner of the street. His vigorous strides soon enabled him to gain upon them, and by the time he, in his turn, reached the corner the distance between them was sensibly lessened. The small Mayfair streets were comparatively deserted, and he judged it wise to content himself with keeping them in sight.

The sport was a new one to him. Though familiar with the technicalities from a course of novel reading, he had never before attempted to "follow" anyone, and it appeared to him at once that, in actual practice, the proceeding was fraught with difficulties. Supposing, for instance, that they should suddenly hail a taxi? In books, you simply leapt into another, promised the driver a sovereign—or its modern equivalent—and there you were. In actual fact, Tommy foresaw that it was extremely likely there would be no second taxi. Therefore he would have to run. What happened in actual fact to a young man who ran incessantly and persistently through the London streets? In a main road he might hope to create the illusion that he was merely running for a bus. But in these obscure aristocratic