did not
terrify either of the scouts, but it did confirm Paul's guess. There
could no longer be any doubt that his presence meant mischief; that he
was indeed a spy. Or else why should he have such papers? Why, again,
should their loss so greatly disturb him?

There was not a chance for him to catch them. Well as he might know
the country, they knew it better. They had played in these fields and
woods since they had been able to walk at all. Every hollow, every
ridge, every tree, almost, was familiar to them. Circling about, they
soon reached the garden of their summer home, a fine, spacious house,
with ample grounds surrounding it, that belonged to their Uncle Henri
de Frenard, whose wealth was derived from his considerable holdings of
coal land around Liege.

"Did you get a good look at him, Paul?" gasped Arthur, when at last
they felt that it was safe for them to stop running. "I couldn't
really make sure of him--"

"I think I'll know him again, Arthur. What I'm wondering is if he'll
know us."

"I don't see what difference that makes, except that if he saw us
before we saw him, it would give him a chance to escape--"

"We're more likely to be trying to escape from him than he from us, I'm
afraid, Arthur, for a little while. If the Germans are spying as
openly as all that, it must mean that they're getting ready to come
into Belgium. They wouldn't take such chances unless they felt that it
didn't make any difference now."

"Don't you think we could find him, Paul? If we could, we could have
him arrested, I think."

"Don't say a word--yet," cautioned Paul. "Uncle Henri would only laugh
at us. Let's wait until we can look at his papers, and see what there
really is there besides the sketch of Fort Boncelles. If that's all
there was in the papers, I don't see why he was so awfully anxious to
get them back. Perhaps we've done even better than we know, Arthur."

"All right, I won't say anything," said Arthur. "But you are going to
do something about it, aren't you, Paul?"

Paul laughed. He knew that Arthur was a little disappointed at the
idea of having to keep what they had done secret, especially as he had
probably rehearsed already the astonishment with which all those at the
dinner table would greet the startling announcement of the discovery of
the spy.

"I certainly hope we're going to do something about it, Arthur," he
said. "We'll slip away from the table as soon as we can, and then