many's ruthless secret service agents to be arrested.
It was because of the necessity for keeping this part of the work quiet that no word of the rescue of Bessie and her mother was sent to the boys until after the big gun raid.
There was much to be talked about when the friends met once more, and Mrs. Gleason said she and Bessie were going back to the United States as soon as they could, to get beyond the power of Potzfeldt.
As Tom had feared, there was no news of his father, but he did not yet give up all hope.
"If he's a prisoner there's a chance to rescue him," he said.
The time spent in Paris seemed all too short, and it came to an end sooner than the boys wished. Jack was almost himself again, though he limped slightly from one of the German bullets in his leg. There was every hope, however, that this would pass away in time.
Good-byes were said to Bessie and her mother, and once more the two Air Service boys reported to their aerodrome. There they found not one, but two, of the big Italian machines, which are capable of long flight, carrying loads that even the most ponderous bombing plane would be unable to rise with.
Preparations for the bold dash into the
