"Then it must mean that your father, if he is in Paris, hasn't received them."
"Either that, Jack; or else he doesn't dare reply."
"Why wouldn't he dare to, Tom?"
"Well, I don't know that I can give a good reason. It might be that he is on such a secret mission that he doesn't want even to hint about it. And yet I can't understand why he doesn't send me at least a message that he has arrived safely."
As Tom said this he looked at his chum. The same thought was in the mind of each one:
Had Mr. Raymond arrived safely?
That was what stirred Tom's heart. He knew the danger he and Jack had run, coming across to do their part in flying for France, and he well realized that the Germans might have been more successful in attacking the vessel on which his father had sailed, than they had the one which had carried Tom and Jack.
"Well, what are we going to do?" asked Jack of his chum. "You know we arranged, when we should get our leave, to go back to that pretty little French village, which seemed so peaceful after all the noise of battle and the roar of the aeroplane engines."
"Yes, I know we planned that," said Tom,
