thoughtless, but never mean, and when his actions did result in trouble for others Ned was always ready and anxious to make reparation. Ned's mother was dead and he lived with his father who was cashier of the Darewell bank.
As for Bart, he was so fond of sports, from baseball and swimming to snowballing and skating, that he was seldom still long enough to study his lessons.
Fenn, or Stumpy Masterson, had only one failing as far as his chums were concerned. He was "sweet" on the girls, as they called it. Fenn would go to considerable trouble to walk home with a girl. His chums made all sorts of fun of him, but he did not seem to mind much. His especial favorite was Jennie Smith, who was quite fond of poetry and who liked to recite and act.
As told in the first volume, the boys, during the summer preceding the winter in which this story opens, had taken part in some strange adventures. They discovered that some men in the neighborhood of the town were acting very queerly, and they resolved to find what it meant. One day they went up in a captive balloon at a fair, and the restraining cable broke. The four chums were carried off in the airship high above the clouds.
The boys were detained as prisoners aboard a
