I fancy we'll find them using hilltops now as much as they can."

"Harry, I've just thought of something. If they've planned so
carefully as this, wouldn't they be likely to have country places,
where they'd be less likely to be disturbed?"

"Yes, they would. You're right, Dick. Especially as we get
further and further away from London. I suppose there must be
plenty of places a German could buy or lease."

"And perhaps people wouldn't even know they were Germans, if they
spoke good English, and didn't have an accent."

That suggestion of Dick's bore fruit. For the third station they
found was evidently hidden away In a private park. It was in the
outskirts of a little village, and Harry and Dick had no trouble
at all in finding out all the villagers knew of the place. "'Twas
taken a year ago by a rich American gentleman, with a sight of
motor cars and foreign-looking servants," they were told. "Very
high and mighty he is, too -- does all his buying at the stores in
Lunnon, and don't give local trade any of his patronage."

The two scouts exchanged glances. Their suspicions were confirmed
in a way. But it was necessary to be sure; to be suspicious was
not enough for them.

"We'll have to get inside," he said under his breath to Dick. But
the villager heard, and laughed.

"Easy enough, if you're friends of his," he said. "If not -- look