"Say, look at here," broke in Bob Giddings, who had been near enough to overhear all of this conversation.  His face was glowing, too, as he turned toward the brothers.  "When we get the Sky-Bird II done, why couldn't the three of us pick out a new course around the globe in her? If she's as good as we think she will be, we could travel over any kind of land or water with her, and I think we could pick out islands in the Pacific so that we could cross that and make the entire journey by air."