- 1Cities in the Air
- 2Chapter II — The Battle Over the Atlantic
- 3Chapter III — Under the Sea
- 4Chapter IV — A Desperate Plan
- 5Chapter V — Captured
- 6Chapter VI — A Daring Venture
- 7Chapter VII — The Great Movement Starts
- 8Chapter VIII — A Single Chance
- 9Chapter IX — The Battle of the Air-Cities
- 10Chapter X — The First Clash
- 11Chapter XI — City Against City
Cities in the Air
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