9781455858620 | Unabridged edition (Brilliance Audio Lib Edn, November 22, 2011), cover price $49.97 |
About this edition: In the 22nd century visionary scientist Vannevar Morgan conceives the most grandiose engineering project of all time, and one which will revolutionize the future of humankind in space: a Space Elevator, 36,000 kilometers high, anchored to an equatorial island in the Indian Ocean.
9781455860562 | Mp3 una edition (Brilliance Audio Lib Edn, November 22, 2011), cover price $39.97 |
About this edition: In the 22nd century visionary scientist Vannevar Morgan conceives the most grandiose engineering project of all time, and one which will revolutionize the future of humankind in space: a Space Elevator, 36,000 kilometers high, anchored to an equatorial island in the Indian Ocean.