"While it isn't a pleasant thing to speak of, still some marauding undersea boat may lie in wait for his ship, and in the sinking who can tell what fate may overtake your cousin?"

Larry and the undersea raider.

Determined efforts were made by the British, French and United States navies to cope with the undersea enemy, and these were increasingly successful.

Beverly even started to circle around, content to lose a few miles and some minutes if only he could satisfy their minds that all was well with the unfortunate steamer that had been so ruthlessly torpedoed without warning by the undersea pirates.

If she prove as eager in the pursuit of her undersea quarry as she was on the trail of the U-Boat I would not change places with the cod and haddocks of the North Sea for the prize-money of an Admiral.