In the Palace of the King by F. Marion Crawford

Inez remained hidden a quarter of an hour in the gallery over the throne room, before she ventured to open the door noiselessly and listen for any sound that might come from the passage. She was quite safe there, as long as she chose to remain, for the Princess had believed that she had fled far beyond and was altogether out of reach of any one whose dignity would not allow of running a race. It must be remembered that at the time she entered the gallery Mendoza had returned to his duty below, and that some time afterwards he had accompanied the King to Don John's apartments, and had then been sent in search of the key to the locked door.

The blind girl was of course wholly ignorant of his whereabouts, and believed him to be in or about the throne room. Her instinct told her that since Dolores had not gone to the court, as she had intended, with the Duchess Alvarez, she must have made some last attempt to see Don John alone. In her perfect innocence such an idea seemed natural enough to Inez, and it at first occurred to her that the two might have arranged to meet on the deserted terrace where they had spent so many hours in former times. She went there first, finding her way with some little difficulty from the corridor where the gallery was, for the region was not the one to which she was most accustomed, though there was hardly a corner of the upper story where she had never been. Reaching the terrace, she went out and called softly, but there was no answer, nor could she hear any sound.