- 1Chapter I — On a Live Wire
- 2Chapter II — “We’ll Take a Chance!”
- 3Chapter III — Planning a Big Gun
- 4Chapter IV — Koku’s Brave Act
- 5Chapter V — Off to Sandy Hook
- 6Chapter VI — Testing the Waller Gun
- 7Chapter VII — The Impossible Occurs
- 8Chapter VIII — A Big Problem
- 9Chapter IX — The New Powder
- 10Chapter X — Something Wrong
- 11Chapter XI — Failure and Success
- 12Chapter XII — A Powerful Blast
- 13Chapter XIII — Casting the Cannon
- 14Chapter XIV — A Night Intruder
- 15Chapter XV — Ready for the Test
- 16Chapter XVI — A Warning
- 17Chapter XVII — The Bursting Dam
- 18Chapter XVIII — The Doped Powder
- 19Chapter XIX — Blowing Down the Barrier
- 20Chapter XX — The Government Accepts
- 21Chapter XXI — Off for Panama
- 22Chapter XXII — At Gatun Locks
- 23Chapter XXIII — News of the Mine
- 24Chapter XXIV — The Longest Shot
- 25Chapter XXV — The Long-Lost Mine
Tom Swift and His Giant Cannon
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