On trying to spy more clearly he found that what he had taken for dirt was a coat of whitewash which had been applied to the window on the inside, but the coating had worn away in one spot which gave him a loophole. What surprised him most was to spy the covers of a number of books strewn about the work table. One, he was ready to swear, was the Cromwell. He knew that bright blue cloth by this time.
For the second time that evening Aubrey wished for the presence of one of his former instructors. "I wish I had my old chemistry professor here," he thought. "I'd like to know what this bird is up to. I'd hate to swallow one of his prescriptions."
His teeth were chattering after the long exposure and he was wet through from lying in the little gutter that apparently drained off from the sink in Weintraub's prescription laboratory. He could not see what the druggist was doing in the cellar, for the man's broad back was turned toward him. He felt as though he had had quite enough thrills for one evening. Creeping along he found his way back to the yard, and stepped cautiously among the empty boxes with which it was strewn. An elevated train rumbled overhead, and he watched the brightly lighted cars swing by. While the train roared above him, he scrambled up the fence and dropped down into the alley.
