"How can he?"
"I suppose he could go out through the kitchen if he had to," was the ready reply.
"Yes, I suppose he could. We must do better than that."
"I'll tell you," said Adrian. "I'll go over and speak to that soldier in English. If it is Strong, he will hear me and will involuntarily make some move. If he wants to make himself known, he will. If he does not do so, we will simply sit here till he goes out and then shadow him."
"That sounds good. Go over and say 'Howdy' to the soldier."
Adrian arose from his seat and stepped over to the soldier.
"Hello, partner!" was his somewhat noisy greeting. "Won't you come over to our table?"
"Why, sure, neighbor! I was just thinking that I was getting mighty lonesome."
He arose from his chair and took a seat beside Donald, who had been observing Strong closely. There could be no doubt that he had been attracted by Adrian's voice, but he gave no intimation that he knew the boys.
"Glad to see you," said Donald, without taking his eyes from his man. "Won't you have another cup of coffee?"