Living Off the Land in Space: Green Roads to the Cosmos (Hardcover)

The Old Frontier.- The New Frontier.- The Rocket and Its Limits.- The First "Green" Space Technologies.- Probes to the Planets:Where We've Been on Our Journey.- Probes to the Stars:Concept Studies.- Breaking Out into Space:Visionary Futures.- Thinking Interstellar.- Technological Readiness.- Space Brakes("Living of the Land" by Using a Planetary Atmosphere).- The Ion Trial.- The Orbital Steam Locomotive.- Sky Clippers.- Art or Science?.- Space Beanstalks.- Chemical Propulsion for Space Exploration: Good for Yesterday,Today and Tomorrow.- Human Exploration.- Defending the Earth.- Space Miners.- Some Exotic Possibilities.- Sights on Centauras.