"So! They go to Dover, then, I suppose - no, perhaps to
Folkestone --- oh, what matter? Hurry up with your tire, my man!"

He watched them still as the car started. Then he went back to
the house.

"Whatever did you tell him that whopper about Croydon for?"
whispered Dick. "I wasn't going to tell him anything -"

"Then he might have tried to make us," answered Harry, also in a
whisper. "Did you notice anything queer about him ?"

"Why, no --"

"You have your way lost!' Would any Englishman say that, Dick?
And wouldn't a German? You've studied German. Translate 'You've
lost your way' into German. 'Du hast dein weg --' See? He was a
German spy!"

"Oh, Harry! I believe you're right! But why didn't we --"

"Try to arrest him? There may have been a dozen others there,
too. And there was the driver. We wouldn't have had a chance.
Besides, if he thinks we don't suspect, we may be able to get some
valuable information later. I think --"

"What?"

"I'd better not say now. But remember this -- we've got to look