Ch. 1. Designing a mission
Ch. 2. target : Alpha Centauri and other nearby stars
Ch. 3. trouble with rockets
Ch. 4. antimatter alternative
Ch. 5. Journey by starlight : the story of the solar sail
Ch. 6. Of lightsails, ramjets, and fusion runways
Ch. 7. Breaking through at NASA : science on the edge
Ch. 8. Interstellar communications and navigation
Ch. 9. spacecraft that can think for itself
Ch. 10. future of the interstellar idea.
