a very dangerous rival, as far as airships were concerned.
Tom thought matters over during the next few days. He was now satisfied that Andy had a copy of the map, and, as far as he could see, there was no way of getting it from him, for he could not prove to the satisfaction of the legal authorities that the bully actually had it.
"We'll just have to take a chance, that's all," decided the young inventor in talking matters over with his father, Ned, and Abe Abercrombie. "If Andy and some of his crowd trail after us, we'll just have to run away from them and get to the valley first."
"If they do get there, they won't find it very easy travelin', I reckon," remarked Abe. "They'll get all they want of the caves of ice. But hadn't we better get a hustle on ourselves, Tom?"
"Yes, we will soon start now. I have the Red Cloud all packed up for shipment to Seattle. We will send it on ahead, and then follow, for it will take some time to get there, even though it's going by fast freight."
"What about Mr. Damon?" asked Ned. "When is he coming?"
"There's no telling," responded Torn. "He may be on hand any minute, and, again, he may
