ampldquoIn his new book The Case For Space How the Revolution in Spaceflight Opens Up a Future of Limitless Possibility famed astronautical engineer Bob Zubrin talks about the how and the why of our new exploratory era. Itamprsquos a mustread for anyone interested in the subject and will probably be read by historians of our era centuries hence. I find Zubrinamprsquos arguments compelling and I think you just might too. I highly recommend his book not only for its excellent analysis but also as a source of perspective on todayamprsquos news. amprdquo ampmdash Glenn Harlan Reynolds Opinion columnist USA TodayA new space race has begun. But the rivals in this case are not superpowers but competing entrepreneurs. These daring pioneers are creating a revolution in spaceflight that promises to transform the near future. Astronautical engineer Robert Zubrin spells out the potential of these new developments in an engrossing narrative that is visionary yet grounded by a deep understanding of the practical challenges. Fueled by the combined expertise of the old aerospace industry and the talents of Silicon Valley entrepreneurs spaceflight is becoming cheaper. The new generation of space explorers has already achieved a major breakthrough by creating reusable rockets. Zubrin foresees more rapid innovation including global travel from any point on Earth to another in an hour or less orbital hotels moon bases with incredible space observatories human settlements on Mars the asteroids and the moons of the outer planets and then breaking all limits pushing onward to the stars. Zubrin shows how projects that sound like science fiction can actually become reality. But beyond the how he makes an even more compelling case for why we need to do thisto increase our knowledge of the universe to make unforeseen discoveries on new frontiers to harness the natural resources of other planets to safeguard Earth from stray asteroids to ensure the future of humanity by expanding beyond its ho