- 1Chapter I — An Appeal for Aid
- 2Chapter II — Explanations
- 3Chapter III — A Face at the Window
- 4Chapter IV — Tom’s Experiments
- 5Chapter V — Mary’s Present
- 6Chapter VI — Mr. Nestor’s Letter
- 7Chapter VII — Off for Peru
- 8Chapter VIII — The Bearded Man
- 9Chapter IX — The Bomb
- 10Chapter X — Professor Bumper
- 11Chapter XI — In the Andes
- 12Chapter XII — The Tunnel
- 13Chapter XIII — Tom’s Explosive
- 14Chapter XIV — Mysterious Disappearances
- 15Chapter XV — Frightened Indians
- 16Chapter XVI — On the Watch
- 17Chapter XVII — The Condor
- 18Chapter XVIII — The Indian Strike
- 19Chapter XIX — A Woman Tells
- 20Chapter XX — Despair
- 21Chapter XXI — A New Explosive
- 22Chapter XXII — The Fight
- 23Chapter XXIII — A Great Blast
- 24Chapter XXIV — The Hidden City
- 25Chapter XXV — Success
Tom Swift and His Big Tunnel
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