Read it through once

But he was ill at ease. He had changed back to Roxy's dress, with the stoop of age added to the disguise, so that Wilson would not bother himself about a humble old woman leaving a neighbor's house by the back way in the early morning, in case he was still spying. But supposing Wilson had seen him leave, and had thought it suspicious, and had also followed him? The thought made Tom cold. He gave up the raid for the day, and hurried back to the haunted house by the obscurest route he knew. His mother was gone; but she came back, by and by, with the news of the grand reception at Patsy Cooper's, and soon persuaded him that the opportunity was like a special providence, it was so inviting and perfect. So he went raiding, after all, and made a nice success of it while everybody was gone to Patsy Cooper's. Success gave him nerve and even actual intrepidity; insomuch, indeed, that after he had conveyed his harvest to his mother in a back alley, he went to the reception himself, and added several of the valuables of that house to his takings.