expanded from "Guardian Angel"
Super-powerful aliens come to Earth, and take over. What are their ultimate intentions, and why won't they let us even see them?
In The Challenge Of The Spaceship Arthur C. Clarke speculates on the changes that will come in our own generation – the first generation to break away from the limitations of our own planet – and predicts some of the astonishing scientific developments that will inevitably come in future centuries. Among these will be manned spaceships traveling at speeds of more than 1,000,000 m.p.h., techniques for changing and controlling the climate of the entire earth, exploration of an area ten times greater than all our continents on the other planets of the Solar System, and discovery of the basic secrets of life and synthesis of living matter in the laboratory.
A tourist bus on the Moon gets sucked into a chasm filled with fine dust. The race is on to save the trapped passengers.
revised and expanded "Against the Fall of Night"
expansion of "Against the Fall of Night"
Named for the start of the third millennium, this is not simply the "book of the film": it was developed in parallel with Kubrick's masterpiece. And it's a little less cryptic in its ending.