Publisher's Synopsis
Tom Swift, who had been slowly looking through the pages of a magazine, in the contents of which he seemed to be deeply interested, turned the final folio, ruffled the sheets back again to look at a certain map and drawing, and then, slapping the book down on a table before him, with a noise not unlike that of a shot, exclaimed: "Well, that is certainly one wonderful story!" "What's it about, Tom?" asked his chum, Ned Newton. "Something about inside baseball, or a new submarine that can be converted into an airship on short notice?" "Neither one, you-you unscientific heathen," answered Tom, with a laugh at Ned. "Though that isn't saying such a machine couldn't be invented." "I believe you-that is if you got on its trail," returned Ned, and there was warm admiration in his voice. "As for inside baseball, or outside, for that matter, I hardly believe I'd be able to tell third base from the second base, it's so long since I went to a game," proceeded Tom. "I've been too busy on that new airship stabilizer dad gave me an idea for.
