High priority,’ Harry said, pulling out the plug and rolling out the projector trolley past an astonished Ivarsson. Back in his office, Harry put the transparency on the projector, pointed the square of light towards the map and switched off the main light. In the darkened, windowless room he could hear his own breathing as he twisted the transparency round, moved the projector closer and further away and adjusted the focus of the black outline of a star until it matched. It did match. Of course it matched. He stared at the map, circled two street numbers and made a couple of telephone calls.
  
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