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The Rolling Stones by Robert Heinlein:
Science Fiction Inventions, Technology and Ideas
Wonderful Heinlein juvenile about the Stone family adventure in interplanetary space. Castor and Pollux, two young twins seek their fortunes as space traders with the help of their extended family. Select an invention:
Flat Cat |
Lunocycle (Lunar Bicycle) - better than Bessie the mule |
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