which Tom improved by several inventions, he had a number of adventures. The principal one was being attacked by a number of bad men, known as the "Happy Harry Gang," who wished to obtain possession of a valuable turbine patent model belonging to Mr. Swift. Tom was taking it to a lawyer, when he was way laid, and chloroformed. Later he traced the gang, and, with the assistance of Mr. Damon and Eradicate Sampson, an aged colored man, who made a living for himself and his mule, Boomerang, by doing odd jobs, the lad found the thieves and recovered a motor-boat which had been stolen. But the men got away.
In the second volume, called "Tom Swift and His Motor-Boat," Tom bought at auction the boat stolen by, and recovered from, the thieves, and proceeded to improve it. While he was taking his father out on a cruise for Mr. Swift's health, the Happy Harry Gang made a successful attempt to steal some valuable inventions from the Swift house. Tom started to trace them, and incidentally he raced and beat Andy Foger, a rich bully. On their way down the lake, after the robbery, Tom, his father and Ned Newton, Tom's chum, saw a man hanging from the trapeze of a blazing balloon over Lake Carlopa. The balloonist was Mr. John Sharp,
