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John S. Lewis

Planets and their atmospheres
Space Resources
Worlds Without End
Resources of Near-Earth Space
Rain of iron and ice: the very real threat of comet and asteroid bombardment
Worlds without end: the exploration of planets known and unknown
Mining the sky: untold riches from the asteroids, comets, and planets
Physics and Chemistry of the Solar System
Resources of Near-Earth Space (Space Science Series)
Worlds Without End: The Exploration Of Planets Known And Unknown (Helix Books)