428 5540064e-2199-472a-a662-f90c4a7f55c2 Ringworld Larry Niven calibre (0.8.17) [http://calibre-ebook.com] 1985-09-12T07:00:00+00:00 EDITORIAL REVIEW: A new place is being built, a world of huge dimensions, encompassing millions of miles, stronger than any planet before it. There is gravity, and with high walls and its proximity to the sun, a livable new planet that is three million times the area of the Earth can be formed. We can start again! Random House, Inc. 9780345333926 eng General Fiction Fiction - Science Fiction Science Fiction Science Fiction - General Adventure Life on Other Planets High Tech Ringworld (Imaginary place)