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By Larry Niven

Narrated by: Grover Gardner

Unabridged — 11 hours, 15 minutes

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Overview

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 meeting the builders, they set about assembling a team to explore...