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UNCONSCIOUS OF THE fact that she had been shadowed, Mary Lane reached her objective. She was in a small paved courtyard which was made faintly malodorous by the presence of an ash-can that had not been emptied for a week.
She moved cautiously, finding her way forward step by step with the aid of a tiny torch which she had taken from her handbag. At the end of the courtyard was a small door, flanked on one side by a window.