height, and after running for a number of miles, sufficient to preclude the possibility that they could be picked up by the pursuing aeroplane, Tom sent his craft down, as the rarefied atmosphere made breathing difficult.
It was about three days after the chase when, having carefully studied the map and made several observations through the telescope of the country over which they were traveling, that Ivan Petrofsky said:
"If it can be managed, Tom, I think we ought to go down about here. There is a Russian town not far away, and I know a few friends there. There is a large stretch of woodland, and the airship can be easily concealed there."
"All right," agreed the young inventor, "down we go, and I hope you get the information you want."
Flying high so as to keep out of the observation of the inhabitants of the Russian town, the young inventor sent his craft in a circle about it, and, having seen a clearing in the forest, he made a landing there, the Falcon having come to rest a second time since leaving Shopton, now several thousand miles away.
"We'll hide here for a few days," observed Tom, "and you can spend as much time in town as you like, Mr. Petrofsky,"
