When Arthur Trevor caught the flying machine fever and organized the “Young Aviators,” neither he nor the other boys who joined the club meant to do anything but make toy aeroplanes. There was certainly no reason for them to foresee that their first tournament was to turn the young aviators into Boy Scouts, and in the end, into real Boy Scout Aviators owning a practical aeroplane. But there were signs from the first that the “Goosetown gang” was going to make trouble for the “Elm Street boys.” The beginning of everything and the clash between the “Goosetown gang” and the “Elm Street boys” was in this wise: