He hadn’t followed anybody for quite a while, and discovered that he had lost the knack. He set off so enthusiastically in pursuit of his quarry that he realised he was walking far too quickly and would in fact have to walk straight past him. He did so, paused for a few confused seconds, turned round, and started to walk back, which caused him to collide directly with his quarry. Dirk was so flummoxed to find that he had actually physically hit the person he was supposed to be stealthily tailing that in order to allay any suspicion he jumped onto a passing bus and headed off down Rosebery Avenue.

This, he felt, was not an auspicious beginning. He sat on the bus for a few seconds, completely stunned at his own ineptness. He was being paid $5,000 a week for this. Well, in a sense he was. He became aware that people were looking at him slightly oddly. But not nearly as oddly, he reflected, as they would do if they had the slightest idea about what he was actually doing.

He twisted round in his seat and squinted back down the road, wondering what would be a good next move. Normally, if you were tailing somebody, it was a problem if they unexpectedly jumped onto a bus, but it was almost more of a problem if you unexpectedly jumped on one yourself. It was probably best if he just got off again and tried to resume the trail, though how on earth he was going to look unobtrusive now, he didn’t know. As soon as the bus next came to a halt, he jumped off again and started walking back up Rosebery Avenue. Before he had gone very far, he noticed his quarry walking down the road in his direction. He reflected that he had managed to pick a remarkably helpful and cooperative subject, and better than he deserved. Time to get a grip and be a little more circumspect. He was almost at the door of a small café, so he ducked inside it. He stood at the counter pretending to dither for a moment over the sandwiches until he sensed that the subject had passed.