that they have broken through and have brought up some of their heavy guns.*"
Jack shook his head.
"I don't believe they could do it," he said. "You know the nearest German line is about seventy miles from Paris. If they had started to break through, and had any success at all, the news would have reached here before this. And reinforcements would be on the way. No, it can't be. There must be some other explanation."
"But what is it?" asked Tom. "They've got to get nearer than seventy miles to bombard Paris. You know that."
"I don't think I really know anything about this war," said Jack simply. "So many strange things have happened, so many old theories have been discarded, and so many new things have been done that we don't know where we are."
"Well that's true. And yet how could the Germans get near enough to bombard Paris without some word of it coming in?"
"I don't know. But the fact remains. Now let's get to where the second shell fell. Maybe we can see a fragment of it and—"
Once again the words were interrupted by an explosion. This time it was closer and the shock was greater.
"That's the third!" cried Jack.
