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Incoming Resources
- First landing, Robert Zubrin
- Mars direct, space exploration, the red planet, and the human future, by Robert Zubrin
- The case for Mars, the plan to settle the red planet and why we must, Robert Zubrin
- The case for Mars, the plan to settle the red planet and why we must, Robert Zubrin with Richard Wagner ; foreword by Arthur C. Clarke
- Entering space, creating a spacefaring civilization, Robert Zubrin
- The case for Mars, the plan to settle the red planet and why we must
- How to live on Mars, a trusty guidebook to surviving and thriving on the red planet, Robert Zubrin
- The case for Mars, the plan to settle the red planet and why we must, Robert Zubrin with Richard Wagner
- The case for space, how the revolution in spaceflight opens up a future of limitless possiblity, Robert Zubrin