In a new, revised edition, here is the first novel of the author's classic Galactic Center series, a triumph of breathtaking imagination and human drama set against an immeasurable tapestry of space, time, and evolution.

Hundreds of scientists travel to the distant star, Ra, in the world's first true interstellar spaceship.

A human expedition to another star system is jeopardized by an encounter with an astonishingly immense bowl-shaped structure cupping a star, with a habitable area equivalent to many millions of Earths. Investigating the Bowl, or Shipstar, the human explorers are separated, with one group captured by the gigantic structure's alien inhabitants and the other pursued across its strange and dangerous landscape.

An accidental explosion in a laboratory creates a wormhole, a space-time tunnel, which black physicist Alicia Butterworth uses to visit another universe. Time is so fast in this other world, Alicia can observe cosmic evolution as it happens. By the author of Sailing Bright Eternity.

The authorized sequel to Arthur C. Clarke's science fiction classic Against the Fall of Night, set on a dying planet Earth millions of years in the future. In Against the Fall of Night, a young man named Alvin ventures beyond the domed city of Diaspar to explore a planet Earth left nearly barren by a centuries-old cataclysm. What he discovers is the thriving rural civilization of Lys and an insane non-corporeal being known as the Mad Mind-a danger...