For half an hour, until the deep blue canopy of night was drawn across the sky, under the guidance of Nimrud they walked through the main streets of the town, getting their position from the notable landmarks. He pointed out the Grand Mosque and the embattled walls of the famous mediæval citadel, but Frecks noticed that Worrals, who was usually entertained by such things, seemed preoccupied, and took only a perfunctory interest.
“What’s on your mind?” she asked at last.
“Plenty,” answered Worrals. “We’re being followed, and I don’t like it. We shall be beaten before we start if this is allowed to go on. Besides, it’s annoying. I don’t understand it. There’s a leak somewhere. We haven’t been in the place a day, yet somebody evidently knows more about us than he should. I’m going to see Ma
