- Who Knows?
- 1. Rob's Workshop
- 2. The Demon of Electricity
- 3. The Three Gifts
- 4. Testing the Instruments
- 5. The Cannibal Island
- 6. The Buccaneers
- 7. The Demon Becomes Angry
- 8. Rob Acquires New Powers
- 9. The Second Journey
- 10. How Rob Served a Mighty
- 11. The Man of Science
- 12. How Rob Saved A Republic
- 13. Rob Loses His Treasures
- 14. Turk and Tatar
- 15. A Battle with Monsters
- 16. Shipwrecked Mariners
- 17. The Coast of Oregon
- 18. A Narrow Escape
- 19. Rob Makes a Resolution
- 20. The Unhappy Fate of the
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