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Conscious Choice
Robert Zubrin: Zimmermans ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed …
Leaving Earth
In this definitive account of the quest to establish a human presence in lifeless outer space, award-winning space historian Robert Zimmerman reveals the great global gamesmanship …
Circuit Hikes of Southern Arizona
Circuit Hikes of Southern Arizona is an easy-to-use guidebook, describing the many circuit hikes hidden in the mountains surrounding Tucson and throughout southern Arizona.The …
Genesis: The Story of Apollo 8: The First Manned Mission to Another World
It was Christmas Eve 1968. And the astronauts of Apollo 8 - Commander Frank Borman, Jim Lovell, and Bill Anders - were participants in a mission that took them faster (24,000 mph) …