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- Space life, by Steve Kortenkamp
- NASA, by Steve Kortenkamp
- Space tourism, by Steve Kortenkamp
- Spacecraft, by Steve Kortenkamp
- The planets of our solar system, by Steve Kortenkamp
- The first moon landing, by Steve Kortenkamp
- Working in space, by Steve Kortenkamp
- Show me space, my first picture encyclopedia, by Steve Kortenkamp
- Space robots, by Steve Kortenkamp
- The Milky Way, by Steve Kortenkamp
- Space stations, by Steve Kortenkamp
- Space travelers, by Steve Kortenkamp
- Demoting Pluto, the discovery of the dwarf planets, by Steve Kortenkamp
- Asteroids, comets, and meteoroids, by Steve Kortenkamp
- Asteroids, comets, and meteorites, by Steve Kortenkamp
- Space junk, by Steve Kortenkamp
- Future explorers, robots in space, Steve Kortenkamp
- Mars exploration rovers, an interactive space exploration adventure, by Steve Kortenkamp
- Space shuttles, by Steve Kortenkamp
- Space probes, by Steve Kortenkamp
- Why isn't Pluto a planet?, a book about planets, by Steve Kortenkamp
- The dwarf planets, by Steve Kortenkamp