'No! not to-night, thank you'. And Margaret gravely lighted her out of the room, and bolted the door. From henceforth Dixon obeyed and admired Margaret.
Aware that Hermione was watching him suspiciously, Harry hurried up the stairs to the hall and then to the first landing, where he dashed into the bathroom and bolted the door again.
He went to his bedroom: it had no communication with the neighboring rooms. He went to his secretary's bedroom: the door that led into the five rooms reserved for Mrs. Kesselbach was locked and bolted.
The doors were bolted — our own eyes have told us that — yet the presence of the candle grease on the floor, and the destruction of the will, prove that during the night someone entered the room.