"I guess there will be nothing for us to do this night," said Frank at
last. "We may as well turn in."

"I am afraid there will be nothing for us to do for some time to come,"
was Jack's reply. "I am afraid it will be rather monotonous sailing
about the North Sea looking for German warships, when the latter are
afraid to come out and fight."

"Well, you can't tell," said Frank. "However, that's one beauty of a
submarine. You don't have to wait around for something to happen. You
can go out and make it happen."

"That's so. But, by Jove! I wish these fellows would come out and
fight! Maybe we could put an end to this war real quickly."

"Yes, but we might not," returned Frank.

"Why, don't you think we can thrash them?"

"I suppose we can; but at the same time they can do a lot of damage.
Besides, some of them have come out. We've sunk some, of course, but
the others have returned safely enough. I can't see any excuse for
that."

"It does seem that they should have been caught," Jack agreed, "but I
guess Admiral Jellicoe, Admiral Beatty and the admiralty know what is
going on."

"Sometimes it doesn't look like it," declared Frank. "I suppose there
are still some of these German submarines scooting about almost under