It continued in this fashion for quite some time, until Frank began to believe they had gone well beyond the danger zone. When he raised his head he could not discover the windmill at all, which was ample proof that there was no longer anything to fear from that quarter.

He was just about to say something along those lines to the others, when he made an unpleasant discovery.

“What are you stopping here for, Frank?” asked Billy, as he and the French aviator came crawling up alongside the leader, and he chanced to observe that Frank was acting rather strangely.

“Because it seems that our further progress is going to be blocked,” replied Frank.

“You’re staring hard at that bunch of trees ahead where we were hoping to get on our feet again. What’s wrong over yonder?” demanded Billy.

“Only that I’ve seen signs to tell me there are men hiding in among those trees, who have seen us coming, and are waiting to trap us,” Frank told him.

CHAPTER XXIV.
FRIENDS IN NEED.

“Oh! something is always cropping up to nip our plans in the bud, it seems like,” Pudge groaned, on hearing Frank make that unpleasant statement.

“Are you sure they’re Germans, Frank?” demanded Billy.