Acknowledgments -- Prologue : Full circle -- 1. Space or bust -- 2. Go! -- 3. The homebuilt spaceship -- 4. SpaceShipOne, government zero -- 5. NASA hitches a ride -- 6. The 200-g roller coaster -- 7. Orbit on a shoestring -- 8. Budget suites of outer space -- 9. Spaceport! -- 10. The sky's no limit -- Epilogue : Where are they now? -- Notes -- Index.