For decades, the spacefaring species of Known Space have battled over the largest artifact — and grandest prize — in the galaxy: the all-but-limitless resources and technology of the Ringworld. But without warning, the Ringworld has vanished,...
Nebula Best Novel winner (1974) Hugo Best Novel winner (1974) At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar...
In this first book in a trilogy, the warring interstellar empires of the Inner Sphere face the greatest threat of their lives--an invasion by the technologically superior Clans. It falls to the leaders of the Five Successor States to save their...
In the year 3016, the Second Empire of Man spans hundreds of star systems, thanks to the faster-than-light Alderson Drive. No other intelligent beings have ever been encountered, not until a light sail probe enters a human system carrying a dead...
Earth is not alone. There is a towering civilisation out in the galaxy, far greater than anything we can imagine. But we are isolated from the galaxy… until now.
When a bunch of interstellar scavengers approach Earth, intending to...
Michael Poole’s wormholes constructed in the orbit of Jupiter had opened the galaxy to humankind. Then Poole tried looping a wormhole back on itself, tying a knot in space and ripping a hole in time.
It worked. Too well.
Poole was...
After Ishmael Wang is promoted to the environmental section, he's caught in a swirl of mystery, doubt, belief, lust and a really nice fitting pair of jeans. He has to come to grips with what it means to be a spacer while he's still trying to...