The old man seemed to be overcome with emotion, then suddenly recalling his customer's errand, he shuffled away to procure the package of detective stories for which she had called. During his absence Roberta went back of the counter, reached for a book on an upper shelf and, while so doing, dislodged several others that tumbled about her, revealing, as though it had been hidden in the dark recess back of them, the rare book which that morning had been taken from the Queerwitz Antique Shop.