"the disguise. Back in the main hall, Mr. Dart helped Stanley climb up into the empty picture frame. Stanley was able to stay in place because Mr. Dart had cleverly put four small spikes in the wall, one for each hand and foot. The frame was a perfect fit. Against the wall, Stanley looked just like a picture. "Except for one thing," Mr. Dart said. "Shepherdesses are supposed to look happy. They smile at their sheep and at the sky. You look fierce, not happy, Stanley."