Ringworld series
Winner of both the Hugo and Nebula Awards for Best Novel, Ringworld remains a favorite among science fiction readers.
The artifact is a vast circular ribbon of matter, some 180 million miles across, with a sun at its center. Pierson's puppeteers—strange, three-legged, two-headed aliens—discovered this "Ringworld" in a hitherto unexplored part of the galaxy. Curious about the immense structure, but frightened by the prospect of
...It's been twenty years since the quixotic and worlds-weary Louis Wu discovered the Ringworld. Now he and Speaker-to-Animals are going back, captives of the Hindmost, a deposed puppeteer leader.
With Louis' help, the Hindmost intends to regain his status by bringing back such extraordinary treasures from the Ringworld that his fellow puppeteers will have to be impressed. But when they arrive, Louis discovers that the Ringworld is no longer
...