Tom, "but it's a question whether it will ever be any good to us. We can't rebuild the airship here, that's certain."
He walked about the wreck, and then returned to his friends. Mr. Damon was more like himself, and Mr. Fenwick had discovered that he had only minor bruises.
"Bless my coffee cup!" exclaimed Mr. Damon. "I declare, I feel hungry. I wonder if there's anything left to eat in the wreck?"
"Plenty," spoke Tom, cheerfully. "I'll get it out. I can eat a sandwich or too myself, and perhaps I can set up the gasolene stove, and cook something."
As the young inventor was returning to the wreck, he was halted halfway by a curious trembling feeling. At first he thought it was a weakness of his legs, caused by his cut, but a moment later he realized with a curious, sickening sensation that it was the ground—the island itself—that was shaking and trembling.
The lad turned back. Mr. Damon and Mr. Fenwick were staring after him with fear showing on their faces.
"What was that?" cried the inventor.
"Bless my gizzard! Did you feel that, Tom?" cried Mr. Damon. "The whole place is shaking!"
Indeed, there was a stronger tremor now, and
