reached the ground, and there he clung, while the motor of his airship was banging away, and revolving the propeller blades dangerously close to his head.
"Are you hurt?" cried Tom, to the unknown birdman.
"No, but I'm likely to be unless I get out of here!" was the gasped-out answer.
"Hold fast!" cried Torn. "We'll have you down in a jiffy. Here, Rad, you get the long ladder. Where's Koku? That giant is never around when he's wanted. Find Koku, Rad, and send him here."
"Yas, sah, Massa Tom; directly, sah!" and the colored man hastened off as fast as his aged legs would take him.
And while preparations are thus under way to rescue the birdman from the roof, I will take just a few minutes to tell you a little something more about Tom Swift and his numerous inventions, as set forth in the previous books of this series.
"Tom Swift and His Motor Cycle" was the first book, and in that I related how Tom made the acquaintance of a Mr. Wakefield Damon, of the neighboring town of Waterford, and how Tom bought that gentleman's motor cycle, after it had tried to climb a tree with its rider in the
