CHAPTER VI

AGAIN A PRISONER The threat which Tom Swift heard the men in the pursuing motor boat mutter—a threat to catch him at any cost—was not needed to cause him to speed up the craft he had appropriated in an endeavor to escape. The sinister character of the men who wore the masks he could easily guess at. As to the others, he had begun to suspect them soon after they obtained work in his plant. Though they were clever mechanics, Tom did not like Kenny and Schlump and so had directed their discharge. “They either have it …