CHAPTER FIVELady Margaret ran up the circular stone stairway leading from the Great Hall of the Castle, hurried along the corridor and knocked on David’s door. “Come in, Meg!” She entered the room and smiled in surprise at the sight of David sitting in a large chair by the open window. He was still looking somewhat thin and pale, but his eyes were bright and he was smiling cheerfully. “How did you know it was me, David?” His smile deepened. “Everyone taps on the door in a different way. My sister raps on it with two sharp knocks, Mrs. Livesey and the maids are very tentative. Your brother gives three equal taps and yours, Meg – ” “Yes?” “Yours are a series of little noises. As if a small bird was asking to be let in!” Meg chuckled. “What utter nonsense you talk! Obviously, Da