Ringworld (Mass Market Paperbound)

By Larry Niven

Del Rey Books, 9780345333926, 352pp.

Publication Date: September 12, 1985



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!