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The Ringworld Engineers (Ringworld, Bk 2)
The Ringworld Engineers - Ringworld, Bk 2 Author:Larry Niven Ten years after the publication of Ringworld, winner of the Hugo and Nebula awards and one of the true popular classics of modern science fiction, Larry Niven has at last satisfied the call of his many fans and written a sequel--a return voyage to that astonishing world, with even more remarkable adventures and surprises, and a solution to that ... more »most tantalizing question left from the earlier book: by whom and how was the Ringworld built?
It has been twenty years since the quixotic, worldsweary Louis Wu discovered Ringworld, an artificial planet with an area 3,000,000 times that of Earth, fabricated as a ring spinning around its sun. Now he returns, the captive of a non-human race--the tripedal alien species known to man as Pierson's Puppeteers--to find Ringworld no longer stable. Within months, it will destroy itself by grazing its offcenter sun. To survive, Louis Wu must locate the control center of the legendary engineers who built the planet...somewhere on its multibillion square miles of interior surface. His quest becomes a wild and gripping venture, blended with mysteries and spectacular technologies that only Larry Niven could conjure.« less