Tags
- Across the Zodiac
- Air travel
- A journey
- Astor Iv
- Axial tilt
- Daniel Carter Beard
- D. Appleton & Company
- Futuristic
- International Standard Book Number
- Interplanetary spaceflight
- Jacob Astor
- John Jacob
- John Jacob Astor
- John Jacob Astor IV
- Journey to Mars
- Jupiter
- LibriVox
- Mastodon
- Neptune
- Project Gutenberg
- Saturn
- Science fiction
- Seer
- Socialism
- Solar power
- Speculative fiction
- Telephone network
- Terraforming
- The Great Romance
- University of Pittsburgh Press
- Utopian and dystopian fiction
- Vampire bat