The seminal work on the Space Elevator by the controller of the project from the 1990's, together with a Foreword by the late Sir Arthur C Clarke, this explains the Space Elevator concept, how it works, when it will be deployed, and all the detail that goes with it.
Nice idea but no hope of ever being implemented, the system would be too easy to rort. Its like trying to give us communism that looks like capitalism, or vice versa. But the author does highlight the reason our capitalist economies are failing today: when the gap between rich and poor gets too large, the system breaks down. Since the rich are in charge of government, nothing short of a revolution seems likely to rescue our current civilization.