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Incoming Resources
- Extreme structures, mega-construction of the 21st century, David Jefferis
- Black holes and other bizarre space objects, David Jefferis
- Robot workers, David Jefferis
- Jefferis, David, Moon flight atlas
- Jefferis, David, Exploring our solar system
- Jefferis, David, Science frontiers
- Project Apollo, the race to land on the Moon, David Jefferis
- Mighty megaplanets, Jupiter and Saturn, David Jefferis
- Jefferis, David, Robozones